Category Archives: Polymer80

Found a Very Good Video Series on Building A Polymer80 Pistol Plus Links To More Info

I like Polymer80 pistols – plain and simple. There are great deals on commercially built pistols that are hard to beat so I would not recommend building one to try and save money – I doubt you can get the combination of price and quality. With that said, if you want to build a custom pistol and be able to do exactly what you want, then the Polymer80 makes a lot of sense.

Related Posts:
Why I think Polymer80 pistols are so great
How to build a Polymer80 legally in Michigan
There are a ton of Polymer80-related parts on eBay
Three must-have simple upgrades to improve handling

Brownells is one of my favorite sources for gun parts, tools and supplies. They assembled the following series of videos on how to build your own custom Polymer80-based pistol. Please note the embedded videos are small. Once you click play, then click on the small square in the lower right corner of the video to see it full screen.

Step 1: How to mill a Polymer80 Frame

Related Posts:
Tips For Building Smooth Operating Polymer80 Glocks
The Best Step-By-Step Guide Book For Building Polymer80s
Two Good Videos On Preparing a PF940C (Compact) Frame

Step 2: Choosing a Trigger For a Polymer80 Pistol

Related Posts:
Finding Glock Gen 3 Lower Pistol Kits (LPKs) on eBay
Customizing the LPK with parts from eBay

Step 3: Assembling A Polymer80 Frame

Related Posts:
Great video on building a full-size PF940v2 pistol
Polymer80 build troubleshooting
Tips for building a smooth operating Polymer80 pistol
I really like SLR mag funnels

Step 4: Picking a Slide For Your Glock’s Polymer80

Related Link:
Click here to see slide listings on eBay currently

Step 5: Selecting A Barrel For A Polymer80 Pistol

Related Posts:
Finding barrels on eBay

Step 6: Choose A Sight For Your Polymer80 Build

Related Posts:
Upgrading to Truglo TFX Pro sights
This is a link to Glock sights on eBay

If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


How To Find Barrels For Your Polymer80 Build on eBay

In my last few posts, I’ve covered OEM lower parts kits and customizing the parts in the lower. In this post, I’m going to switch to the slide area and cover barrels. Without a doubt, having the right barrel for what you want to do is a very important consideration. Now notice how I worded that – it depends on what you want to do. There are barrel built for reliability, with match tolerances, porting, threaded ends, extended barrels… it really depends on what you want.

When I built my first two Polymer80 pistols – a full size Glock 17 unit and a full size 34, I went with threaded match barrels from 80P Builder. They are both accurate with 115 and 124gr FMJ but I quickly realized the added length wasn’t really worth it for me at this point. The idea behind a threaded barrel is that it will allow you to thread on some type of suppressor or muzzle device. To do that, the barrel with the threading needs to stick out – in the case of the 17, it sticks out about 0.634″ inches.

The threaded barrel extends 0.634″ past the end of the slide in this Model 17 build.

You have to ask yourself – do you really need that sticking out if you want a pistol for concealed carry. With my 34, it is a combat pistol and length isn’t something I worry about. In fact, it is running a Tyrant Designs CNC T-Comp brake that does a remarkable job of keeping the pistol flat during rapid fire. The end of the day, the threading definitely gives you a ton of options with a little extra length and weight added.

The Tyrant CNC brake is both radical looking and effective. It’s found a permanent home on my first Polymer80 Model 34 build. You can see a hint of the front Tru Glo TFX Pro sight as well.

If you like the idea of reducing muzzle rise and some recoil reduction, another option for you is a ported barrel where the manufacturer of the barrel actually will either drill holes or machine slots into the end of the barrel to vent gasses. I’ve not used a ported barrel on my Polymer80 but I do have a cz.75 with a ported barrel and the porting definitely helps.

Another option is to go with a standard length barrel that is more or less flush with the end of the slide. My next 34 will have a Zaffiri match grade flush barrel that is fluted and has a deep crown to protect the end.

Bottom line, you have a ton of options in terms of functionality and looks that you can consider so spending some time thinking about.

Vendors I’ve Heard Good Things About

So, you can do plenty of reading on offerings from vendors. The options are amazing – length, twist rate, thickness, threaded, fluted, ported, color and so forth. Just make sure you get a generation 3 compatible barrel and it matches the model of pistol you are building. In researching barrels, the following have good reputations: Agency Arms, Faxon, Glock OEM, Killer Innovations, Lone Wolf, Silencerco, Storm Lake, Wilson Combat, Zaffiri and Zev. If you click on the vendor names previously listed, a dedicated tab will open showing current offerings on eBay, if there are any.

Current eBay Glock Gen 3 Barrel Listings

Note the following a real time listing of barrels for sale on eBay. Pay attention to the brand as there are a ton of no-name barrels being imported of varying quality.

Rock Island Armory Glock 19 Gen 3 22TCM9R Barrel & Recoil Spring Conversion Kit

$119.95
End Date: Sunday Mar-8-2020 5:56:05 PDT
Buy It Now for only: $119.95
Buy It Now | Add to watch list

For GLOCK 22 Gen 3 Match Grade Conversion Barrel .40 S&W to 9mm WITH 10 Rnd MAG

$82.99
End Date: Thursday Mar-19-2020 22:25:04 PDT
Buy It Now for only: $82.99
Buy It Now | Add to watch list

Factory Glock 19 Gen 4 Barrel OEM fits gen 2 & 3 replacement barrel

$75.00
End Date: Thursday Mar-26-2020 13:23:26 PDT
Buy It Now for only: $75.00
Buy It Now | Add to watch list

Match Grade Barrel For GLOCK 19 GEN 2/3/4/5/P80 9mm Black Nitride

$58.00
End Date: Saturday Mar-21-2020 18:13:45 PDT
Buy It Now for only: $58.00
Buy It Now | Add to watch list

ZEV Pro for GLOCK 19 Gen 3, 4, 5 Gold Match Grade 9mm Barrel BBL-19-PRO-GLD

$167.95
End Date: Saturday Mar-14-2020 14:41:05 PDT
Buy It Now for only: $167.95
Buy It Now | Add to watch list

New Glock 22 Gen 3 4 40 Cal Conversion 9mm Full Length Stainless Steel Barrel

$55.99
End Date: Wednesday Mar-25-2020 12:47:25 PDT
Buy It Now for only: $55.99
Buy It Now | Add to watch list

Nitride Barrel For Glock 19 Barrel 9MM 9x19 NEW Nitride Fits GEN 1,2,3,4

$49.99
End Date: Wednesday Mar-18-2020 13:51:26 PDT
Buy It Now for only: $49.99
Buy It Now | Add to watch list

Glock 22 40 Cal Conversion 9mm Full Length Stainless Steel Barrel P80 Gen 3 4

$64.99
End Date: Thursday Mar-19-2020 14:49:22 PDT
Buy It Now for only: $64.99
Buy It Now | Add to watch list

Strike Industries ARK Spiral Barrel for Glock 19 Gen 1 2 3 4 G19 Fluted 9mm USA

$172.44
End Date: Tuesday Mar-3-2020 19:48:57 PST
Buy It Now for only: $172.44
Buy It Now | Add to watch list

Glock 17 Black Nitride Barrel G17 9mm 9x19 Match Gen 3 4 P80 Replacement Luger

$58.00
End Date: Saturday Feb-29-2020 2:08:43 PST
Buy It Now for only: $58.00
Buy It Now | Add to watch list

Rock Island Armory FITS Glock 17 22TCM9R GEN 3 Barrel, Recoil Spring Conversion

$135.95
End Date: Monday Mar-9-2020 23:43:41 PDT
Buy It Now for only: $135.95
Buy It Now | Add to watch list

Nitride Melonite Barrel for Glock 22 G22 .40SW .40 NEW Match Gen 3 Stainless P80

$68.95
End Date: Saturday Feb-29-2020 15:55:16 PST
Buy It Now for only: $68.95
Buy It Now | Add to watch list

Nitride Melonite Barrel for Glock 17 G17 9mm NEW 9x19 Match Gen 3 Stainless P80

$54.99
End Date: Saturday Feb-29-2020 13:20:58 PST
Buy It Now for only: $54.99
Buy It Now | Add to watch list

ZEV for GLOCK 19 Gen 3, 4, 5 Stainless G19 Dimpled STS 9mm Barrel BBL-19-D

$184.88
End Date: Monday Mar-16-2020 14:09:35 PDT
Buy It Now for only: $184.88
Buy It Now | Add to watch list

Glock 31 357 Sig Barrel Glock 22 Conversion Drop In Replacement Match Grade

$68.00
End Date: Thursday Mar-12-2020 6:35:29 PDT
Buy It Now for only: $68.00
Buy It Now | Add to watch list

ZEV for GLOCK 17 GEN 3 / 4 9mm Bronze Match Grade Dimpled Barrel BBL-17-D-BRZ

$184.88
End Date: Saturday Feb-29-2020 18:32:18 PST
Buy It Now for only: $184.88
Buy It Now | Add to watch list

Nitride Melonite Barrel for Glock 23 G23 .40SW .40 NEW Match Gen 3 Stainless P80

$62.99
End Date: Saturday Mar-21-2020 16:02:58 PDT
Buy It Now for only: $62.99
Buy It Now | Add to watch list

Strike-Industries-ARK-Spiral-Barrel-for-Glock-19-Gen-3-4-5-G19-Fluted-9mm-USA

$1,170.94
End Date: Monday Mar-16-2020 11:32:58 PDT
Buy It Now for only: $1,170.94
Buy It Now | Add to watch list

Rock Island Armory Glock 17 Gen 3 22TCM9R Barrel & Recoil Spring Conversion Kit

$134.95
End Date: Thursday Mar-5-2020 15:15:02 PST
Buy It Now for only: $134.95
Buy It Now | Add to watch list

Glock 22 40 Cal Conversion 9mm Full Length Stainless Steel Barrel P80 Gen 3 4

$68.00
End Date: Friday Mar-27-2020 19:35:09 PDT
Buy It Now for only: $68.00
Buy It Now | Add to watch list

Gen 5 Glock 19 barrel

$90.00
End Date: Thursday Mar-26-2020 13:47:13 PDT
Buy It Now for only: $90.00
Buy It Now | Add to watch list

New ZEV Technologies Match Grade Barrel For Glock 19 Gen 3-4 Bronze BBL-19-D-BRZ

$164.50
End Date: Sunday Mar-15-2020 13:12:13 PDT
Buy It Now for only: $164.50
Buy It Now | Add to watch list

Nitride Melonite Barrel for Glock 26 G26 9mm NEW 9x19 Match Gen 3 P80

$57.99
End Date: Saturday Mar-21-2020 16:03:38 PDT
Buy It Now for only: $57.99
Buy It Now | Add to watch list

Glock 17 Nitride Barrel G17 Gen 1 2 3 4 P80 Polymer 80 PF940v2 & PF940CL 9MM

$62.99
End Date: Wednesday Mar-18-2020 14:22:40 PDT
Buy It Now for only: $62.99
Buy It Now | Add to watch list

ZEV Pro for GLOCK 19 Gen 3, 4, 5 Gold Match Grade 9mm Barrel BBL-19-PRO-GLD

$167.94
End Date: Friday Mar-6-2020 19:45:42 PST
Buy It Now for only: $167.94
Buy It Now | Add to watch list

Salient Arms International SAI TiN Barrel For Glock 17 Gen 3 G17 - Used

$275.00
End Date: Tuesday Mar-17-2020 10:22:19 PDT
Buy It Now for only: $275.00
Buy It Now | Add to watch list

Glock 22 Black Nitride Barrel G22 40 S&W OEM Replacement P80 Drop In +P Gen 3 4

$60.00
End Date: Saturday Feb-29-2020 2:12:25 PST
Buy It Now for only: $60.00
Buy It Now | Add to watch list

S3F Solutions Glock 19 Gen 1-4 Match-Grade Fluted Barrel - Gold TiN

$199.95
End Date: Friday Mar-20-2020 12:45:17 PDT
Buy It Now for only: $199.95
Buy It Now | Add to watch list

Lone Wolf Barrel For Glock 22&31 Conversion to 9mm Stock Length LWD-229N

$98.99
End Date: Friday Mar-20-2020 15:03:31 PDT
Buy It Now for only: $98.99
Buy It Now | Add to watch list

Lone Wolf LWD Barrel For Glock 23/32 Conversion To 9mm Stock Length LWD-239N

$97.99
End Date: Wednesday Mar-18-2020 8:58:16 PDT
Buy It Now for only: $97.99
Buy It Now | Add to watch list

I hope this helps you out.


If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Customizing The Lower Parts In A Polymer80 Frame Via eBay

In the last post, I recommended that builders new to Polymer80s either start with an OEM Lower Parts Kit (LPK) or at least have one just in case their aftermarket parts are out of spec or something fails. In this post we are going to talk about customizing these same parts.

When you look at a Glock Gen 3 LPK for the model of pistol you plan (17, 19, 34, etc.) the following tend to be the parts you need:

  • Slide stop lever with spring
  • Slide lock & spring
  • Magazine release & spring
  • Trigger with trigger bar
  • Trigger housing with ejector
  • Trigger spring
  • Trigger pin
  • Trigger housing pin
  • Connector (5 pound)

I have seen aftermarket parts on just about all of the above and it depends on what you are buying. For example, you may just decide to replace the trigger shoe and need everything else or you may buy an entire trigger group with everything except the pins. The point is that if you decide to customize some or all of the parts, make sure that you have eveything required – springs, pins, etc.

For example, on my PF940V2 full size frame configured like a Glock 34, I am using an Apex aftermarket trigger shoe and bar but everything else trigger related is OEM glock. On my PF940V2 configured like a Glock 17, I am running a Zev Fulcrum Adjustable Trigger Upgrade Kit that includes the whole trigger assembly, firing pin, springs and plunger. Which of the two is smoother? I manually polished the Apex very carefully and it is very smooth. The Fulcrum is dragging some and I need to polish it one of these days. For as much as I paid, I’m surprised that any polishing is needed but it is a light short pull though.

So, when you do your lower, think things through. I automatically go with an extended Glock slide stop found on a model 34, an extended slide lock, a Vickers extended magazine release, all stainless pins and the trigger is an “it depends”. On my next planned 34 build, I am going to mirror polish all of the OEM Glock parts and then decide where to go from there.

My Glock 34 build – Apex trigger shoe & bar, Glock 34 slide release, extended slide lock and Vikers extended magazine release. This combination works great for me.

A few eBay buyer tips for you:

  • Look at the number of transactions and rating of the seller. If they have less than 10 sales, your potential risk increases.
  • Stick to Gen 3 parts. Glock has been evolving their pistols for a while now and the Polymer80 frames are designed with Gen 3 models in mind.
  • Make sure the parts you are looking for match the model you are building. Not all parts are interchangeable across models.
  • If the deal is almost too good to be true, it probably is. For example, you’re not going to find a high-end assembled slide with barrel for $50. Sure there are used parts and good deals but there are also scams. This is another reason to look at the seller’s ratings.

Gen 3 Triggers

There are a ton of groups making replacement Glock triggers. I’ve used Apex and Zev personally but have also heard good reports about Agency Arms, Overwatch Precision and Velocity Arms. Please note if you click on one of the previous names, a new tab will open with a dedicated search for that brand of trigger will open. With the triggers, you definitely need to pay attention to what comes with your purchase and what else you will still need to source. The following is a generic search on Glock Gen 3 Triggers:

Serpico Bravo ABS Gen 3-4 Flat Face Trigger Shoe fits Glock and P80 All Models

$32.99
End Date: Wednesday Mar-4-2020 3:35:00 PST
Buy It Now for only: $32.99
Buy It Now | Add to watch list

Vickers Tactical Glock Gen 3-4 / 42 / 43 / 43x / 48 Flat-Faced Carry Trigger

$34.84
End Date: Friday Mar-20-2020 10:37:22 PDT
Buy It Now for only: $34.84
Buy It Now | Add to watch list

Serpico LYTE Gen 3-4 Aluminum Enhanced Trigger Shoe fits Glock and P80 9MM / .40

$41.99
End Date: Friday Feb-28-2020 11:22:04 PST
Buy It Now for only: $41.99
Buy It Now | Add to watch list

Glock OEM Smooth Drop-in Trigger w/ Bar Assembly Gen 1 2 3 4 9mm,40,357 SP00357

$15.75
End Date: Monday Mar-23-2020 17:56:51 PDT
Buy It Now for only: $15.75
Buy It Now | Add to watch list

Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$37.97
End Date: Friday Mar-20-2020 17:10:48 PDT
Buy It Now for only: $37.97
Buy It Now | Add to watch list

Gen 3 Pins

You have the option of using Glock OEM pins or aftermarket. Now many will tell you that the polymer trigger housing pin is just fine and is proven. I had the polymer pin snap during a range session with my Polymer80 Glock 17 that has a Zev Fulcrum trigger. Why, I don’t know but I only use stainless pins now. I’m running pins from GunTools.

Serpico Bravo ABS Gen 3-4 Flat Face Trigger Shoe fits Glock and P80 All Models

$32.99
End Date: Wednesday Mar-4-2020 3:35:00 PST
Buy It Now for only: $32.99
Buy It Now | Add to watch list

Stainless Steel Gen 3 Pin Kit Set for Glock 17 19 20 21 22 23 26 27 34 35 37 38

$8.75
End Date: Wednesday Mar-4-2020 17:52:19 PST
Buy It Now for only: $8.75
Buy It Now | Add to watch list

Serpico LYTE Gen 3-4 Aluminum Enhanced Trigger Shoe fits Glock and P80 9MM / .40

$41.99
End Date: Friday Feb-28-2020 11:22:04 PST
Buy It Now for only: $41.99
Buy It Now | Add to watch list

Complete Lightening Cut Glock 17 Gen 3 Slide Kit with Barrel & Internals PF940V2

$228.95
End Date: Thursday Mar-19-2020 21:27:52 PDT
Buy It Now for only: $228.95
Buy It Now | Add to watch list

For GLOCK Gen 1-3 SERRATED Extended Aluminum Magazine Release by CDS

$21.95
End Date: Wednesday Mar-25-2020 17:48:06 PDT
Buy It Now for only: $21.95
Buy It Now | Add to watch list

Glock Factory Gen 3 Extended Slide Stop (Release)

I have big hands and really prefer a slide stop lever that sticks out just a bit more than the flush fitting original. I use the OEM Glock Factory extended slide stop unit now and it’s way easier for me to operate without being obnoxiously large.

FOR GLOCK Extended Slide Stop Release Fits GEN 1-4 GLOCK Models CHOOSE COLOR

$13.49
End Date: Thursday Mar-12-2020 1:11:27 PDT
Buy It Now for only: $13.49
Buy It Now | Add to watch list

GLOCK FACTORY EXTENDED SLIDE STOP/RELEASE FOR GEN 3 & 4 GLOCK MODELS 17,19,26,34

$14.99
End Date: Thursday Mar-26-2020 12:39:56 PDT
Buy It Now for only: $14.99
Buy It Now | Add to watch list

FOR GLOCK Extended Slide Stop Release Fits GEN 1-4 GLOCK Models CHOOSE COLOR

$17.99
End Date: Thursday Mar-12-2020 1:11:27 PDT
Buy It Now for only: $17.99
Buy It Now | Add to watch list

GLOCK FACTORY EXTENDED SLIDE STOP/RELEASE FOR GLOCK GEN 3 & 4 MODELS 29,30,30S

$16.99
End Date: Tuesday Mar-3-2020 8:27:30 PST
Buy It Now for only: $16.99
Buy It Now | Add to watch list

Glock Factory Extended Slide Stop Release 3pin Fit Gen 2 3 4 9mm 40 357 SP07496

$12.95
End Date: Tuesday Mar-3-2020 8:45:36 PST
Buy It Now for only: $12.95
Buy It Now | Add to watch list

Gen 3 Extended Slide Lock

The OEM slide lock is too small for me. I have big hands and not a lot of feeling at my fingertips so I find myself fumbling around for the slide lock. An extended slide lock extends the unit just a bit further and enables be to more easily actuate the unit. I am runnng Deltac units but have also seen good reviews of units from Bastion, and NDZ. Note, you will need to supply the spring in every case I have seen.

DELTAC® Extended Slide Lock Lever For Glock 17 19 20 21 23 Gen1 to Gen4 (GLC202)

$8.95
End Date: Monday Mar-23-2020 10:40:44 PDT
Buy It Now for only: $8.95
Buy It Now | Add to watch list

DELTAC® Extended Slide Lock release Lever For Glock 17 19 20 21 23 Gen1 to Gen4

$11.99
End Date: Wednesday Mar-4-2020 17:27:45 PST
Buy It Now for only: $11.99
Buy It Now | Add to watch list

Extended Slide Lock Release Lever Black For Glock 17 19 20 21 23

$8.49
End Date: Thursday Mar-19-2020 12:31:19 PDT
Buy It Now for only: $8.49
Buy It Now | Add to watch list

SAO Supply Stainless Extended Slide Lock Lever For Gen 1-5 Glock Models

$10.95
End Date: Tuesday Mar-24-2020 15:15:38 PDT
Buy It Now for only: $10.95
Buy It Now | Add to watch list

DELTAC® Extended Slide Lock Lever For Gen5 Glock 17, 19, 19X, 26, 34 and 45

$11.99
End Date: Monday Mar-9-2020 14:16:21 PDT
Buy It Now for only: $11.99
Buy It Now | Add to watch list

Vickers Tactical Tactical Extended Magazine Release

One last part to cover – the magazine release. I can’t readily actuate the shorter OEM unit. I find I need just a bit longer release and really like the Vickers model that is made for them by Tango Down. Now, if you are wondering why, some units are so long that it is very easy for them to get bumped and release the mag. For some units, even laying the pistol down on it’s side might actuate the release. That may not matter for a competition pistol but I’d rather find a balance between ergonomics and reliability, hence my exclusive use of the Vickers model. Note, in most cases including the Vickers, you will need the spring. Here is a general listing of extended magazine releases:

For GLOCK Gen 1-3 SERRATED Extended Aluminum Magazine Release by CDS

$21.95
End Date: Wednesday Mar-25-2020 17:48:06 PDT
Buy It Now for only: $21.95
Buy It Now | Add to watch list

Extended Aluminum Magazine Release Fits Glock Gen1 2 3 Aluminum SMALL Frame

$23.00
End Date: Thursday Mar-12-2020 12:34:27 PDT
Buy It Now for only: $23.00
Buy It Now | Add to watch list

Glock Extended Magazine Release Mag Catch Gen 1, 2, 3 9mm / 40 / 357 SP01981 OEM

$6.95
End Date: Tuesday Mar-10-2020 12:49:17 PDT
Buy It Now for only: $6.95
Buy It Now | Add to watch list

Ghost Extended Magazine Release (S) for Glock GEN 1-3 17 19 22 23 26 27 34 35 37

$12.49
End Date: Wednesday Mar-18-2020 4:18:12 PDT
Buy It Now for only: $12.49
Buy It Now | Add to watch list

Extended Aluminum Magazine Release Fits Glock Gen1 2 3 Aluminum SMALL Frame

$23.00
End Date: Thursday Mar-12-2020 12:34:27 PDT
Buy It Now for only: $23.00
Buy It Now | Add to watch list

So this wraps up a rather long post. I hope this helps you out.


If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Glock Gen 3 Lower Parts Kits (LPKs) on eBay For Polymer80 Builds

In the last post, I gave you a general link to Glock parts and now we’ll start diving a bit deeper. When you are assembling a Polymer80 pistol, you will need a lower parts kit (LPK) that either you need to buy or will be part of a larger kit depending on what you are doing. If you are new to building, it is hard to go wrong with with an original equipment manufacture (OEM) Glock LPK vs. aftermarket that might have some challenges and others are best avoided. To avoid headaches while you learn, you want a Glock Gen 3 LPK. In the next post, I’ll go over the parts if you want to customize everything and you can do that but to start, go Glock.

What is in a LPK?

You will want to confirm the parts list with your seller, but here’s what would be in a full size Glock brand Gen 3 LPK:

  • Slide stop lever with spring
  • Slide lock & spring
  • Magazine release & spring
  • Trigger with trigger bar
  • Trigger housing with ejector
  • Trigger spring
  • Trigger pin
  • Trigger housing pin
  • Connector (5 pound)

LPKs are on eBay from Glock, Polymer80, marvel mystery parts (in other words, some have no maker identified and are to be avoided) and others. Again, for a newbie, I’d recommend starting with a Glock brand LPK to avoid potential stacked tolerance issues that you would need to address – if you are ready to drive in with all custom parts, you definitely can but it is still handy to have Glock OEM parts around for troubleshooting or spares just in case.

A few eBay buyer tips for you:

  • Look at the number of transactions and rating of the seller. If they have less than 10 sales, your potential risk increases.
  • Stick to Gen 3 parts. Glock has been evolving their pistols for a while now and the Polymer80 frames are designed with Gen 3 models in mind.
  • Make sure the parts you are looking for match the model you are building. Not all parts are interchangeable across models.
  • If the deal is almost too good to be true, it probably is. You’re not going to find a high-end assembled slide with barrel for $50. Sure there are used parts and good deals but there are also scams. This is another reason to look at the seller’s ratings.

OEM Glock LPKs Available on eBay

GLOCK 21 SF Gen-3 LPK OEM 45ACP P-80 PF45 LPK

$52.95
End Date: Monday Mar-23-2020 21:00:54 PDT
Buy It Now for only: $52.95
Buy It Now | Add to watch list

GLOCK 21 SF Gen-3 Lower Parts Kit OEM 45ACP P-80 Spectre PF45 LPK Build

$49.89
End Date: Monday Mar-9-2020 22:10:50 PDT
Buy It Now for only: $49.89
Buy It Now | Add to watch list

GLOCK 21/20 SF Gen-3 SF Lower Parts OEM 45-ACP Kit P-80 PF-45 LPK Build 10-MM

$49.71
End Date: Friday Mar-6-2020 16:50:35 PST
Buy It Now for only: $49.71
Buy It Now | Add to watch list

GLOCK 19 OEM P80 Gen 3 Lower Parts Kit 9 MM Spectre PF940c LPK Without Trigger

$36.50
End Date: Tuesday Mar-17-2020 20:27:32 PDT
Buy It Now for only: $36.50
Buy It Now | Add to watch list

GLOCK 26 Gen-3 Lower Parts Kit OEM 9-MM P80 Spectre PF940-SC Polymer LPK Build

$47.96
End Date: Thursday Mar-19-2020 15:59:18 PDT
Buy It Now for only: $47.96
Buy It Now | Add to watch list

GLOCK 19 Gen-3 LPK OEM 9-MM PF940-C LPK

$50.00
End Date: Monday Mar-16-2020 7:48:52 PDT
Buy It Now for only: $50.00
Buy It Now | Add to watch list

EXTENDED GLOCK 19 Gen-3 Lower Parts Kit OEM 9-MM P-80 Spectre PF940-C LPK Build

$49.49
End Date: Sunday Mar-15-2020 19:15:02 PDT
Buy It Now for only: $49.49
Buy It Now | Add to watch list

GLOCK 23 Gen-3 Lower Parts Kit OEM 40cal P-80 Spectre PF940-C Polymer LPK Build

$44.99
End Date: Thursday Mar-5-2020 6:46:25 PST
Buy It Now for only: $44.99
Buy It Now | Add to watch list

GLOCK 19 Gen-3 LPK OEM 9-MM PF940-C LPK

$53.95
End Date: Monday Mar-16-2020 7:48:52 PDT
Buy It Now for only: $53.95
Buy It Now | Add to watch list

Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$37.97
End Date: Friday Mar-20-2020 17:10:48 PDT
Buy It Now for only: $37.97
Buy It Now | Add to watch list

GLOCK 26 Gen-3 LPK OEM 9-MM PF940SC LPK

$47.00
End Date: Monday Mar-16-2020 7:52:35 PDT
Buy It Now for only: $47.00
Buy It Now | Add to watch list

GLOCK 17 OEM P80 Gen 3 Lower Parts Kit 9 MM Spectre PF940v2 LPK Without Trigger

$36.55
End Date: Tuesday Mar-17-2020 20:29:59 PDT
Buy It Now for only: $36.55
Buy It Now | Add to watch list

GLOCK 17 Gen-3 LPK OEM 9-MM PF940V2 LPK

$54.95
End Date: Monday Mar-16-2020 7:51:35 PDT
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Fits GLOCK 23 Gen-3 KIT OEM 40 cal PF940c LPK

$51.50
End Date: Thursday Mar-26-2020 13:37:07 PDT
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Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$47.97
End Date: Friday Mar-20-2020 17:10:48 PDT
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GLOCK 19 Gen 3 Lower Parts Kit Polymer 80 940C Kit G19 LPK Glock 19 OEM PARTS

$48.00
End Date: Sunday Mar-22-2020 7:31:29 PDT
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GLOCK 17 Gen-3 Lower Parts Kit OEM 9-MM P-80 Spectre PF940V2 LPK Build

$44.99
End Date: Sunday Mar-1-2020 11:48:30 PST
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GLOCK 26 Gen-3 LPK OEM 9-MM PF940SC LPK

$47.00
End Date: Monday Mar-16-2020 7:52:35 PDT
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New GLOCK 19 Gen 3 LPK OEM 9MM 9 Spectre PF940C

$45.95
End Date: Thursday Mar-5-2020 13:36:06 PST
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EXTENDED GLOCK 23 Gen-3 Lower Parts Kit OEM 40cal P-80Spectre PF940-C LPK Build

$49.49
End Date: Thursday Mar-5-2020 8:34:55 PST
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GLOCK 22 Gen3 OEM Lower Parts Kit 40cal LPK P80 PF940V2 Lower Build Parts

$49.99
End Date: Thursday Mar-26-2020 9:33:41 PDT
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GLOCK 23 OEM P80 Gen 3 Lower Parts 40 cal Spectre PF940c LPK

$37.95
End Date: Friday Mar-6-2020 10:25:39 PST
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GLOCK 19 OEM P80 Gen 3 Lower Parts Kit 9 MM Spectre PF940c LPK Without Trigger

$38.00
End Date: Wednesday Mar-18-2020 3:55:12 PDT
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GLOCK 26 Gen-3 LPK OEM 9-MM PF940SC LPK

$50.50
End Date: Monday Mar-16-2020 7:52:35 PDT
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New For GLOCK 17 Gen 3 LPK OEM 9MM 9 PF940V2 LPK EXTENDED

$56.26
End Date: Sunday Mar-22-2020 16:29:27 PDT
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Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$42.95
End Date: Friday Mar-20-2020 17:10:48 PDT
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GLOCK 21 SF Gen-3 Lower Parts Kit OEM 45ACP P-80 Spectre PF45 LPK Build

$49.75
End Date: Tuesday Mar-10-2020 22:31:06 PDT
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GLOCK 22 Gen-3 Lower Parts Kit OEM 40cal P-80Spectre PF940V2 LPK Build

$44.99
End Date: Thursday Mar-5-2020 8:36:49 PST
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GLOCK 26 Gen-3 LPK OEM 9-MM PF940SC LPK

$174.95
End Date: Monday Mar-16-2020 7:52:35 PDT
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For Glock Factory OEM 9 mm Gen 1-3 LPK G-17 Extended Items

$47.75
End Date: Wednesday Mar-11-2020 13:17:44 PDT
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If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Finding Parts For Your Polymer 80 Pistol Build on eBay

I really like building the Polymer80 pistols (Why Polymer80s Excite Me, Tips for Smooth Polymer80 Pistols, and Troubleshooting Your Build). What attracts me is the 1911-like grip angle, Picatinny Rail and the ability to customize the pistol however I want it. You will not save money doing these builds but the results are really cool. When you are planning a build, there are the expected sources of parts like 80P Builder and Glock Store but also a big one that might surprise you – eBay. I’m going to do a series of posts over the next few days with links to a variety of parts listed there.

A few tips for you:

  • Look at the number of transactions and rating of the seller. If they have less than 10 sales, your potential risk increases.
  • Stick to Gen 3 parts. Glock has been evolving their pistols for a while now and the Polymer80 frames are designed with Gen 3 models in mind.
  • Make sure the parts you are looking for match the model you are building. Not all parts are interchangeable across models.
  • If the deal is almost too good to be true, it probably is. You’re not going to find a high-end assembled slide with barrel for $50. Sure there are used parts and good deals but there are also scams. This is another reason to look at the seller’s ratings.

Polymer80 parts in general:

Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$25.99
End Date: Sunday Mar-1-2020 6:12:54 PST
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Steel City Arsenal magwell Specifically for Polymer 80 PF940V2 Frames- Ano Black

$74.99
End Date: Tuesday Mar-17-2020 17:11:25 PDT
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Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$24.99
End Date: Sunday Mar-1-2020 6:12:54 PST
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Glock 17 OEM Factory 9mm Gen 1-3 Lower Parts Kit G17 Polymer80, P80, 80P

$49.29
End Date: Thursday Mar-5-2020 7:56:31 PST
Buy It Now for only: $49.29
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Glock 19 Gen 3 Slide Black Nitride Front Rear Serrations Fits Polymer80 PF940C

$164.99
End Date: Wednesday Mar-11-2020 2:15:04 PDT
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Glock 19 Gen 3 Slide Upper Complete OEM For Polymer 80 G19 Gen3 Glock Factory

$409.00
End Date: Thursday Mar-19-2020 15:19:25 PDT
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Steel City Arsenal 9mm Upper Parts Kit for Glock Gen 1-4 Polymer 80 w/Liner Tool

$79.99
End Date: Tuesday Mar-17-2020 17:11:31 PDT
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Stainless Steel Extended Control Kit For Polymer 80 Choose Color

$64.95
End Date: Saturday Mar-14-2020 7:09:53 PDT
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Steel City Arsenal Slim magwell for Polymer 80 PF940C Frames- Anodized Black

$74.99
End Date: Tuesday Mar-17-2020 17:11:25 PDT
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Glock 17 Gen 3 Slide Upper Complete OEM For Polymer 80 G17 Gen3 Glock Factory

$415.00
End Date: Monday Mar-16-2020 21:27:54 PDT
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #814

$379.00
End Date: Friday Mar-27-2020 14:41:31 PDT
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For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit

$48.00
End Date: Wednesday Mar-18-2020 8:05:17 PDT
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #956

$379.00
End Date: Friday Mar-27-2020 14:46:17 PDT
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Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Mar-7-2020 12:16:41 PST
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #614

$379.00
End Date: Friday Mar-27-2020 14:39:37 PDT
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Extended Magwell for Polymer 80 Glock Frame

$20.00
End Date: Wednesday Mar-18-2020 13:48:04 PDT
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #617

$379.00
End Date: Friday Mar-27-2020 14:34:48 PDT
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For Glock G 26 / 27 Gen 1-3 Lower Parts Kit Polymer 80 NEW Factory OEM Parts

$47.97
End Date: Saturday Feb-29-2020 10:40:02 PST
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Stainless Steel Extended Control Kit For Polymer 80 Choose Color

$40.30
End Date: Saturday Mar-14-2020 7:09:53 PDT
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #636

$379.00
End Date: Friday Mar-27-2020 14:36:22 PDT
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #521

$379.00
End Date: Friday Mar-27-2020 14:44:35 PDT
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Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$25.99
End Date: Saturday Mar-7-2020 12:16:41 PST
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Glock 23 Gen 3 Slide Upper Complete W/ Lower Parts G23 Gen3 For Polymer 80 #563

$379.00
End Date: Friday Mar-27-2020 14:55:36 PDT
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Slide for Glock 19 Gen3, Polymer80 w/ Dovetail, Angled Serrations, NitrideBlack+

$149.95
End Date: Tuesday Mar-3-2020 19:23:01 PST
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For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit

$79.95
End Date: Wednesday Mar-18-2020 8:05:17 PDT
Buy It Now for only: $79.95
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Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$25.99
End Date: Saturday Mar-7-2020 12:16:41 PST
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Steel City Arsenal Slim Magwell for Polymer 80 PF940C Compact Frames Anodized Re

$74.99
End Date: Saturday Feb-29-2020 9:35:13 PST
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Glock 19 Factory OEM 9mm Gen 1-3 Lower Parts Kit G19 Polymer80, P80, 80P

$48.69
End Date: Saturday Mar-7-2020 12:28:30 PST
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Glock 19 Factory OEM 9mm Gen 1-3 Lower Parts Kit G19 Polymer80, P80, 80P

$49.98
End Date: Thursday Mar-5-2020 7:33:36 PST
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Glock 26 Gen 3-4 Slide Upper Barrel Glock OEM G26 Gen4 Polymer80 PF940SC

$419.00
End Date: Thursday Mar-19-2020 5:53:03 PDT
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If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Tips For Building Smooth Operating Polymer80 Glock-Compatible Pistols

Folks, Polymer80 is making some solid 80% frames that you can easily machine into a lower receiver that accepts Glock parts. The design of the frame and jig are elegantly simple and the quality of the end product is really up to you. The great news is that you don’t need to be a machinist to do the work. You just need to be patient, follow instructions and pay attention to details.

In my last post, I linked to a number of resources you can use to guide you through your build. My aim is to give you a bunch of tips that can help you turn out a quality receiver. Let’s hit the four categories of things you will need to do.

Drill Six Short Holes As Labeled On The Jig

If you are concerned that this will take a ton of work, Polymer80 has designed a frame (what will ultimately become your pistol’s lower receiver). Folks, you drill six holes – the jig is marked with the exact spot and which size drill bit they supply that you should use.

The jig is clamped standing up and a hand drill is used to make the holes. Polymer80 supplies the drill bits for you. Note, my Ryobi cordless has a level indicator and it made it a lot easier to get things square.

Tips:

  • Stand the clamp on its side and secure it in a vise. It was not designed to be drilled laying on its side.
  • You want the jig to be held firmly at its bottom by the vise but do not crush/deform the plastic.
  • Using a drill with level indicators can greatly aid you in making a hole at right angles to the receiver.
  • Do not drill the holes straight through. Because the frame is relatively thin, it is forgiving if you drill a short hole slight off square, meaning not perpendicular. If you go straight through then you are way more likely to be way off, ruin the geometry and have just ruined the receiver, So, drill three holes on each side, six holes in total, being careful to line them up as best you can.
  • Take the time to read the jig markings – the M3 holes are for the pins that hold the blocks in place. The larger M4 bit is for the trigger pin.
  • After drilling, blow out your frame to get all the little pieces of plastic debris out. A common problem guys run into is having a small piece of plastic down in the slide stop spring channel that the recoil spring can hang up on. So, blow it out. I use compressed air in my shop but do what you can even if it means blowing with your mouth and visually inspecting the frame to make sure all the plastic scraps from drilling are gone.
  • Use a deburring tool or razor to carefully remove any waste plastic sticking out from either side of the plastic surface that you drill.

Remove the Tabs From The Top Of The Frame

This seems to freak people out because they think they are going to need a milling machine. You definitely do not need a milling machine – you can use a Dremel or file to remove the tabs. The trick here is to remove the tabs and have the end result look decent and not like a hack with a file went crazy and turned out something fugly.

My dad’s nail nippers – this tool is probably almost as old as me so maybe 40-50 years old. I’m using it to “nip” off each tab to reduce the amount of plastic I need to file or Dremel down.

Tips:

  • The first step is to get rid of as much of the tabs as you can with nail nippers. The idea is simple, snip off a bunch of the material so when you either Dremel or file the remainder down, you have less to deal with. On my Glock 34 build,I used an old pair of nail nippers (in the photo above) that belonged to my dad – my way of remembering him. On the second one, I took a cheap set of nippers and ground the head down so they would cut the tabs off even closer to flush. Either way works.
  • Leave the jig on if you want to play it safe. When you see red filings or dust from sanding, you know you are going to deep and need to stop,
  • You can either Dremel or file the balance down but when you get down near the surface start using a sanding block. Just take a piece of wood, wrap a strip of sand paper on it and then sand the receiver using even pressure. Start with 100-120 grit sandpaper and then go to 220, 440, and then 800. If you want to go higher, go right ahead but at some point your plastic is as smooth as it needs to be.
  • I use the little rubberized abrasive Dremel bits to smooth things out. You then apply a drop of oil and you will never know the tabs were there.

Clear Out the Barrel Channel

Again, the dreaded need for a milling machine seems to exist and again, you don’t need one. It is really important you do a nice clean job with a smooth finish or you will have seemingly random jams as the operating spring catches on some part of the frame that is still in the way.

Tips:

  • You want to only remove the designated slot they show in the instructions plus what needs to be removed is marked in the casting. Like I said, they put some thought into this.
  • DO NOT TRY TO REMOVE IT ALL AT ONCE!! You remove the material in sections.
  • If you decide to use their supplied end mill and put the frame in your drill press, do not treat the end mill but like a drill bit. An end mill bit requires a very rigid machine and that the operator has carefully and firmly secured the work piece. In short, you can’t plunge the end mill into the plastic with your hobby drill press without considerable vibration. The trick come down with the drill press (if you have one) and cut off a little crescent at a time. If you have mill, just ignore me – you know what to do I bet.
  • Some guys will use regular drill bits and drill a series of holes in the area that needs to be removed.
  • Unless you are a machinist and know what you are doing, don’t try to mill or drill material right up to the line where they say to stop at. Instead, remove material just shy of the line and then use a sandpaper to do the rest. I wrapped 100 grit sand paper around a dowel to rough in the shape and then went to 240 grit to finish up. You really do not need to go beyond that unless you want, The goal is to have a smooth surface that the barrel and spring will not catch on during operation.

Polish Metal Surfaces

When people make parts they usually get them close enough and call it even. This means there are small tooling marks, grooves, bumps and rough areas left in general. When you look at a firearm made by a high-end shop, you will notice that the surfaces are incredibly smooth – sometimes polished to a mirror-like surface.

Have you ever bought a firearm and at first it was really rough and over time in “wore in” or maybe somebody said “broke in”? What is happening is that the rough spots are smoothing out with wear. We identify the surfaces and do the same thing very easily.

These rubberized polishing bits for Dremels are awesome and you can get sets of them off Amazon.

Tips:

  • With polishing the goal is always to remove as little material as possible using polishing bits, stones or really fine 1000+ grit sandpaper.
  • Polish the hardened locking block rail system bearing in mind how it contacts the slide. You just need to polish the parts that engage the rail and not everything.
  • Same goes with the rear rail module that is just stamped stainless steel
  • Look at the trigger and polish all surfaces that rub against each other – the connector, trigger bar, etc.
  • When you are done, lightly grease these surfaces (I like SuperLube) and then cycle the action by hand a few hundred times and the same goes for squeezing the trigger. You will find that the action will smooth out even further … unless you do an awesome job polishing and everything is already mirror smooth.

In Conclusion

I hope this helps you out. My two Polymer80 built pistols are the smoothest cycling pistols I own now.

6/20/2019 Update: The Glock 34-style pistol is now my favorite. It is a tack driver and I plan to replace the trigger at some point this summer or at least go with some reduced power springs to lighten the pull.


If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Polymer80 First Take – How I Got Excited About Glock Compatible Pistols

Folks, I am not a huge Glock fan as a shooter. I appreciate all the engineering that went into it and it is a genuinely brilliant design but I don’t like the looks or the feel of the grip angle. With those words said, have probably pissed off at least half of you and let me explain.

Gaston Glock designed his pistols with functional reliability and safety in mind. When I look at a Glock, I can see a lot of similar design concepts to the Kalashnikov – good enough accuract, relatively loose tolerances and a polymer receiver that holds all the parts in alignment but doesn’t need a ton of strength itself. I’m sorry, but to me, the OEM Glocks are bland looking utilitarian workhorses – blocky, blackish things.

Over the past year, I have become aware of the exploding aftermarkets part market for Glock pistols. You can replace every part now it seems with flashy slides, triggers, brakes and more. There are even groups making receivers that use Glock parts but with their own twists.

This brings me to the one reason I have never personally owned a Glock even though I have shot friends’ pistols a number of times – they feel wrong in my hand. Gaston designed his pistols with a grip angle of 22 degrees relative to the centerline of the bore. He had really good reasons to do this and it works for many shooters but not me.

Scott Igert gave me some wise advice years ago – pick a pistol that feels right when you hold it – that when you bring your hand up the aim is natural and comfortable. This is sage advice because there is no magical perfect grip angle that works for everyone – I known this after making AK rifle grips with differing angles for years!

So what pistol do I tend to like in terms of feel? I like 1911s and doublestack 1911s the most. John Browning designed his pistol with an 18 degree grip handle based on his analysis of the hand and shooters at the time. Both these guys did their homework but the 1911 just feels better to me. Thus, while I have shot Glock 17s a number of times, I’ve never wanted one but I do like my 1911s.

This bring us to the part of the story I really want to convey. I’d seen ads from Midway USA and others about Polymer80’s 80% receivers (frames) that can use Glock parts. I never really was interested due to my dislike of Glocks plus the resulting costs of the builds weren’t competitive with commercial pistols.

As it turns out, I was lacking some important information that when I found them out, caused me to move ahead with building two Polymer80-based pistols.

  1. The grip angle is 18 degrees and since it is a doublestack design, it feels really good to me.
  2. The trigger guard is sculpted to allow the remaining fingers to fit under the trigger guard in a more natural manner.
  3. It has an integral Picatinny rail under the barrel.
  4. The Polymer80 frames have a great reputation for quality
  5. The Glock aftermarket parts scene was several orders of magnitued bigger than I could ever have imagined. You can pretty much create a custom pistol that looks substantially different from its Austrian ancestor.

Polymer80 makes a number of frames including ones for the G19-style compacts. My challenge is that I wear XL-sized gloves and my pinky finger does not fit onto a G19 comfortably plus I had a bunch of G17 magazines from a project I did some years back. I decided to build a full size pistol. [Click here for a list of Polymer80’s pistol frames]

So, figured it was time to give it a shot. It was Winter, I had time and I figured why not? It also helped that Midway USA was having a sale and I bought two of the PF940v2 full size frames for $110/ea to get the ball rolling. To be honest, I bought two figuring I might well trash one of the two. In other words,I had a spare just in case 🙂

I ordered a grey frame and an olive drab colored frame. I’m bored with all black weapons and I have to admit, I really like the olive drab. I do plan on doing another and may do it in black but the cool thing is that you have options.


Legal Note: In case you are wondering about the legality of building this type of pistol in your area, you will need to do some research. In the case of Michigan where I live, you need to go to your local Sheriff and get a pistol purchase permit and then fill it out with the maker as “Self-Assembled”, model as “NONE” and serial number as “NONE”. My local Sheriff’s department was very helpful and recommended that I wait until I was done with the build because the purchase permit was only valid for 30 days. I confirmed this with the Michigan State Police Firearms Records division and they too were very helpful. (Their number is 517-241-1917 so you can confirm the details . To be safe, I would urge someone from Michigan to do their homework and confirm my findings so you can legally enjoy your resulting pistols. I’m not a lawyer and this is not legal advice – just me trying to pass along what I learned so double-check.) I believe it is even easier for CPL holders in Michigan but can’t speak to that process.


What was in the box?

Just a few days after I ordered the two frames from Midway, they arrived. Each was packed in a stylish black box from Polymer80 and when you opened it, the basic parts are there:

  • The two halves of the red drilling jig
  • The receiver frame itself that you will need to complete
  • A 3mm drill bit for drilling the locking block pin holes
  • Two 3mmx25mm steel pins to hold the locking block
  • The front locking block, which is a substantial machined part
  • The rear locking block, that looks like a stamping
  • A 4mm drill bit for drilling out the trigger pin holes
  • A 9mm end mill for cleaning out the barrel block area
Here’s the unfinished frame sitting in the one-time use plastic jig.

Here’s the PF940v2 frame with the two halves of the jig. It is a very nicely engineered kit. You can do this!

Guys, being a 1911 fan immediately liked the feel of the grip angle and the girth due to it being a 9mm doublestack. I went from cautious to excited in a split second.

So what do you need once you have the frames?

Okay, I jumped the gun a bit when I bought the frames as I knew I needed other parts but really hadn’t sorted out the details. That’s all that was there – you still need the other parts for the lower receiver and slide – the trigger, magazine release, slide catch, slide, barrel and so forth. There was a lot easier route I could have taken but buying the frames.

The Polymer80 pistols are genuinely fun and easy builds to do. The key is just not to rush. My first one took a lot more time as I tried to verify my understanding of every step before I did it. I’ve made a ton of costly mistakes over the years so I now try to be a bit more cautious.

As I wrap up this post, let me leave you with three big tips I have learned and want to pass on to you.

  • A must-do is to read the instructions on Polymer80’s How-to page and also watch their assembly video. They step you through pretty much everything you need to know. While researching, I did a couple of blog posts about videos I liked that give you additional perspectives – click here or here.
  • I would recommend either printing out the Polymer80 instructions so you ca follow them or if you want a second printed reference to follow albeit with slightly different steps, there is a good book that you can either buy the printed or Kindly copy of “Build Your Own Semi-Auto Handgun” by X-Ring Precision. I had both during the first build and just the Polymer80 printed guide out for the second build.
  • Lastly, I found out about 80P Builder after I bought the Polymer80 units from Midway USA. They sell parts as well as entire kits that can make this both easier and more affordable. I bought completion kits from 80P Builder. I ordered a Glock 34 slide, threaded match barrel and an upgraded internals kit that included a billet extractor. Because I didn’t know my way around a Glock at all, I paid them $25 to assemble the slide and they did a great job. Once I saw how easy the slide goes together, I assembled the second unit myself once I saw the quality of the parts in the first order but I am jumping ahead. Bottom line, I’d recommend 80PBuilder.com’s kits and parts. They are nicely machined and finished plus their pricing is very good and they ship quickly.

I’ll do one more post with tips and tricks. There is some great build guidance out there (see above). The Polymer80 frames are good-to-go. They are meant to create pistols that will see real use and there are tons of posts showing guys’ pistols still going strong after thousands of rounds.

I’d recommend a Polymer80 build to anyone who wants to build a “Not-A-Glock” pistol to their own specs. Sure you can build a bargain basement Glock 17-style pistol for under $500 but where’s the fun in that. When I tell Scott that I am going to buy something and leave it alone or build something basic, he just rolls his eyes and smirks. Yeah, I can’t do that 🙂


If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Stainless Steel Extended Control Kit For Polymer 80 Choose Color

$64.95
End Date: Saturday Mar-14-2020 7:09:53 PDT
Buy It Now for only: $64.95
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Steel City Arsenal magwell Specifically for Polymer 80 PF940V2 Frames- Ano Black

$74.99
End Date: Tuesday Mar-17-2020 17:11:25 PDT
Buy It Now for only: $74.99
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Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$25.99
End Date: Sunday Mar-1-2020 6:12:54 PST
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Glock 17 OEM Factory 9mm Gen 1-3 Lower Parts Kit G17 Polymer80, P80, 80P

$49.29
End Date: Thursday Mar-5-2020 7:56:31 PST
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Glock 19 Gen 3 Slide Upper Complete OEM For Polymer 80 G19 Gen3 Glock Factory

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Steel City Arsenal 9mm Upper Parts Kit for Glock Gen 1-4 Polymer 80 w/Liner Tool

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Glock 19 Gen 3 Slide Black Nitride Front Rear Serrations Fits Polymer80 PF940C

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Steel City Arsenal Slim magwell for Polymer 80 PF940C Frames- Anodized Black

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Glock 17 Gen 3 Slide Upper Complete OEM For Polymer 80 G17 Gen3 Glock Factory

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Polymer80 Glock Build Troubleshooting

If you haven’t heard about Polymer80, they make a number of 80% receivers including some remarkable Glock compatible frames. Now they aren’t just a cheap gimmick – I like the grip angle, the texture and the finger relief that all result in a far better feeling pistol than an actual Glock in my opinion. Now there are haters that say these are not Glocks – that’s fine, they aren’t. Then again, it’s not like we all buy ARs only made by Colt or Armalite either in comparison.

So I have been posting about how to do the builds [Click here for a Glock 17 using the PF940V2 frame post and here for one on Glock 19 using the PF940C frame post]. They are very straight forward, fun and can generate a reliable pistol. Like all things, there can be challenges and troubleshooting your build to understand why the slide is binding, the trigger isn’t resetting and so forth are all things that may happen. Luckily, there are also lots of videos and posts for understanding how to solve the challenges.

Be Sure to Read the Instructions First

I do recommend you read the instructions from Polymer80 before you do your build. If you didn’t read them and are now having challenges, I would recommend you go back and read the good instruction file they wrote and watch the video:

Troubleshooting Videos



Also, Pew Pew Tactical did a nice series of posts on building and troubleshooting Polymer80 builds. Click here to open a new tab and go there.

My Take On Common Issues

  • The slide doesn’t go all the way back: Check that the recoil spring is not catching on the channel you needed to mill out. Check that the slide stop spring is sitting flush and not catching on the spring. Sometimes plastic falls into that channel and keeps it from fully seating. (It would be a good idea to blow your frame out with compressed air to get all the loose plastic out).
  • Trigger not resetting – this is either an issue with how Polymer80 did some of the Rear Rail Modules (RRMs) or how the frame was drilled causing the RRM to move. If this happens, you will need to file a bit off the right side (when looking down at the receiver) of the RRM so the trigger bar doesn’t hit it. I’d also recommend checking that there aren’t burs/machining imperfections on any of the trigger’s metal parts that might cause binding.
  • Slide not cycling smoothly – The rail modules should be equal height. Again, there may have been an issue with drilling causing an alignment issue. See if you can bend/adjust the rail modules so they line up.
  • Trigger feels gritty – remove the trigger and polish all metal surfaces. Blow out the pistol and trigger areas to ensure there isn’t any plastic debris. Expect it to take a couple hundred rounds to smooth out.
  • Action feels gritting – again, polish everything. I like the small rubberized polishing bits for the Dremel as well as working with sandpaper up to 2000 grit. Always remember that your goal is to smooth and polish, not to remove a ton of material.

So, I hope this helps you out. Polymer80 Glock frames are well engineered and do work. There may be some issues you need to work through due to how you build the pistol and the parts you use but view overcoming them as part of your journey and don’t give up. The end result is definitely work it.


If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at info@roninsgrips.com.


Please note that any images shown were extracted from the videos and remain the property of their respective owner(s).


Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

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Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

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Glock 17 OEM Factory 9mm Gen 1-3 Lower Parts Kit G17 Polymer80, P80, 80P

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Glock 19 Gen 3 Slide Black Nitride Front Rear Serrations Fits Polymer80 PF940C

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Glock 19 Gen 3 Slide Upper Complete OEM For Polymer 80 G19 Gen3 Glock Factory

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Steel City Arsenal 9mm Upper Parts Kit for Glock Gen 1-4 Polymer 80 w/Liner Tool

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Stainless Steel Extended Control Kit For Polymer 80 Choose Color

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Steel City Arsenal Slim magwell for Polymer 80 PF940C Frames- Anodized Black

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