Category Archives: AKBuilds

How to build AK/Kalashnikov-type semi-automatic rifles and pistols.

Brownells Has All Kinds of Metal Finishes And Surface Preparation Supplies

Folks, if you are looking for supplies to finish your firearm, Brownells is a great source. I’ve done business with them for years and they have provided me great technical support as well as customer service. If you are considering a spray on finish like Alumahyde (their own product), Cerakote, Duracoat, or Gunkote plus other finishes like cold bluing, hot bluing, color case hardening or parkerizingBrownells has a ton of options for you.

Both of these rifles were finished using Duracoat’s spray on finish. You really needed to blast the surface, make sure it was very clean and then allow the finish to cure for a week for it to be durable.
Baking on Molyresin over manganese park. That’s a M92 with a long barrel in the front and a M72B1 in the rear from back in the days when I had free time 🙂

These days, I do a base surface preparation of manganese parkerization and then Norell’s Molyresin on top. The park creates an ideal surface for any sprayed on finish like Alumahyde, GunKote or Molyresin to stick.

The following are some great examples of products they carry:


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Why Does the Color of Grips and Handguards From Ronin’s Grips Fade And What To Do About It?

I’ve had guys ask why the color of my grips or handguards seem to fade with time. The short answer is that it has to do with the liquid wax finish oxidizing and not the plastic – the color is actually in the plastic. You see, we sand every grip and handguard to get rid of mold imperfections and then we blast each with abrasive media (currently it’s Black Beauty or Black Magic depending in the store I go to) and that turns the plastic almost white as you can see in the photo above. We blast the surface to create a very sure grip when you grab hold – your hand doesn’t slide easily. The polished finish we used to do resulted in a surface that is slick when wet due to sweat, water, blood, etc.

So, the blasting abrades the surface and messes up the colors being reflected back to your eyes. To solve this problem, I tried a ton of different oils and waxes and the best was Atsko Sno-Seal. It really brought out the color and it did not fade – or at least I never saw it fade. The problem is that Sno-Seal is a paste wax and I have carpal tunnel. Rubbing it into grips and handguards every day over and over was killing by wrists so I had to stop it.

This pushed me back to the drawing board and this time I looked at liquid waxes. Some of them really smelled as the liquids evaporated and the best option I could find find was the various butcher’s block finishes that combine mineral oil and a wax – often a bee’s wax. This stuff goes on like a dream but does fade with time. There’s nothing wrong with the color – it’s just the finish oxidizing and drying out.

What to do about the fading?

As mentioned above, the finish I apply will fade. The good news is that the owner with a number of options and I’ll shorten it down to the four I recommend:

  1. Buy Sno-Seal and apply it. This stuff is awesome for boots and I actually had it for my boots when I tested it. It’s my #1 recommendation and what I do for furniture I make for myself.
  2. Shoe polish holds up really well and you can nudge the colors/hues one direction or another depending on the color of the wax. This goes on pretty easy and seems to last. Just buff it well so you don’t get any color on your hand. I’ve had very good luck with Kiwi products.
  3. Any fine wax for boots, leather, wood or preservation ought to work. Just follow the directions. Absolutely do not use super thick floor wax or it will be a disaster as one customer found out.
  4. Put another coat of butcher’s block conditioner on it. Easy to apply but it will not last.
Atsko Sno-Seal is my #1 choice. Kiwi shoe polish works great. Howard’s Butcher Block Conditioner is what I use in production and is also what fades with time.

How to Apply Sno-Seal

My first recommendation to customers is always Sno-Seal. It takes just a little it to polish a grip or handguard plus you can use it to waterproof your boots.

I did this corner at room temperature and you can tell it takes a bit more effort to rub it in and buff it off.

You can either warm it up on your hand and then rub it in or you can use a heat source to warm up the grip or handguard just a bit – meaning warm to the touch not hot – and it goes on even easier. When I did the M72 hanguard set shown, for example, it was warm after about a minute and 20 seconds in our microwave. You rub the wax in and buff it off – done.

Hello Mr. Microwave! You can optionally warm your piece of furniture up with a microwave, oven turned on at 150F or less, hair dryer, etc. You want it to be warm, not hot. If you can’t pick it up, it’s way too hot. The plastic will not begin to deflect until around 250F and there’s no way you can pick that up hence the rule of thumb. [Click here if you want to read about a heat test we did]
So here’s the finished handguard set after I buffed off the remaining wax.

Again, if you ask me what I do for my own grips and handguards, it’s Sno-Seal and I rarely use extra heat – usually just I just warm it up with my hands and rub it in. Sno-Seal lasts the best of anything I have found.

I hope this helps you out.


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Photos of Rick’s Polish AKM-Beryl Transitional Rifle

Rick sent me these cool photos of his new build and I had to share them. He also gave me some details as well.

The rifle has a “Polish FB Radom barrel, trunion, and optic rail. Childers polish cg1 receiver. To stay with the polish theme, I found an unissued polish soviet era laminate stock. I was originally going to use a bakelite grip. But, since this is a hard use rifle. I wanted something more robust. But correct for the polish theme. Your grip delivered and then some. So here are some pictures of my polish AKM-Beryl transitional rifle. At least I call it that for lack of a better term. “

Yes sir Rick – that is definitely one slick build!


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PSA AK-V Part Three: Changing the Brace, Adding a Red Dot and Installing A Quick Takedown Pin For The Dust Cover

Out of the box, the AK-V is impressive. The trigger is decent, the grip and handguard are functional but there were three things I really wanted to do – move to a SBA4 brace, install an optic and create a quick takedown pin so the dust cover could be removed (the big reason I bought the AK-V from a business perspective). So let’s step through each.

Palmetto State Armory (PSA) has a stunning array of Kalashnikov firearms now. AK-47s, AK74s, 100 series, rifles, pistols … it’s impressive. Click here to go to their main AK menu.

Replace The SBA3 Brace With An SBA4

Yes, they are both adjustable braces but that comparison ends there. The SBA4 is much more sturdy and has five length of pull adjustment positions. The SBA4 does go on sale and that is the time to buy one. I got mine for $99 at PSA’s July 4th sale and there was free shipping!

The SBA4 is the top brace and the SBA3 is the bottom. You can instantly see the SBA4 has more bracing and is bulkier. The back end does not flop around either unlike the SBA3.

Now PSA did something with the SBA3 that is a best practice. They staked the castle nut to the receiver end plate. Now, I started thinking about what would be my easiest option and it dawned on me that if I was SB Tactical and wanted to control cost and complexity, I would try and have as few inventory parts as possible and that means as few buffer tubes. Guess what? The SBA3 and the SBA4 both use a Mil-Spec 6 position buffer tube. Problem solved. You can remove the brace just like most AR/M4 stocks – lift up on the locking pin and slide it right off.

The Castle Nut has two real solid stakes in it. Kudos to PSA.
Ta-da! Under the brace is a Mil-Spec buffer tube or “receiver extension” depending on who you talk to. The SBA3 and SBA4 use the same tube!! Note, the weapon is upside down for this photo.
Here’s a good shot of the receiver. See that small vertical slider switch just above the mag catch? That’s the bolt release. The M4 buffer tube / receiver extension they are using is rock solid. If it is made by someone else, I don’t recognize it.
Here’s the tail end of the SBA4 on the left vs. the SBA3 on the right.
The SBA4 uses the same buffer tube and slides right on in place of the SBA3 brace.

The result is a very sturdy brace. After comparing the two, I will only use SBA4 braces going forward.

Vortex Crossfire Red Dot Optic and American Defense Mount

I doubt I will ever go past 100 yards with the AK-V and a much more likely engagement distance is 50 yards so a red dot is perfect. I’m a huge Vortex Optics fan and this was a perfect situation for their Crossfire Red Dot mounted on an American Defense AD-T1-L STD quick detach mount. They are my favorite combination of price and performance these days.

By the way, be sure to keep a couple of spare 2032 Lithium batteries in your case or range bag. Nothing dampens a range trip like dead batteries. It’s also why I use a quick detach mount – if the batteries are dead or that optic fails, I am yanking that optic off.

With the AD-T1-L STD mount you are a tad higher than the AK-V’s sights. I plan to watch how they relate at the range so I can ballpark where to aim if the battery is dead and am in a rush. Practice, practice, practice and not just when everything works.

Here’s the Vortex Crossfire Red Dot on the American Defense AD-T1-L STD mount. If you wonder why I use American Defense, it’s for the quality. Cheap Chinese/import quick detach rings shoot loose, don’t return to zero and bend/break over time. AD stuff is rock solid made from aerospace aluminum. Note, you can see our Quick Takedown Pin just above the handguard and I’ll cover that next.

The AK-V Dust Cover Quick Takedown Pin

I had to look up — I built my first Yugo M92 in 2012 and instantly hated the hinged dust cover. I drilled out the rivet and came up with a stainless pin with a ball detent and pull ring to secure the cover. The rest is history. I wound up making pins for the M92/M85, Tula and Bulgy Krinks use the same pin, Vepr shotguns and now the AK-V.

The reason for wanting a quick takedown pin is plain and simple, when you want to clean the weapon or work in the receiver, the hinged dust cover is in the way. To remedy this, you can install our AK-V quick pin and it’s about a 10 minute job if you know how to strip down an AK. This is a quick overview:

  1. Ensure the weapon is empty.
  2. Field strip the weapon like you would any AK, remove the gas tube and the lower handguard so they are out of the way. 
  3. The AK-V’s hinge is simply a 5/32″ roll pin that needs to be tapped/punched out so use something like a bench block to support the weapon and create a hole/gap for the pin to exit into.
  4. Use a 5/32″ roll pin punch and a hammer to tap the roll pin out.  You can save it for the future in case you ever want to use it again for some reason. 
  5. Put the dust cover back in place with the hinge holes lined up and slide in our quick takedown pin.
  6. Re-assemble the weapon.
  7. Done
Here, I have the rear sight block fully supported by the bench block behind it and am using a 5/32″ roll pin punch and hammer to drive the roll pin out.
What makes a roll pin punch different from a normal punch is the dome in the middle that centers the punch on the pin and makes driving the pin out very easy. It also reduces the risk of a regular punch slipping off what you are working on an scratching the finish.
So this is what you wind up with once the roll pin is removed.
This was my first attempt because I am right handed. Having the pull ring there right next to the gas tube locking lever was just too much. I flipped it around and had the pull ring on the other side of the gas block.
This is how I am running it now. The pull ring is on the left / non-operating side and the ring is tucked just behind the handguard.

We have the pins up for sale on our website now. Click here to order one.

Summary

Looking good!

The AK-V was almost done at this point. I still needed to lubricate the weapon and put it in a suitable case. I’ll tell you about that part of the journey in the next post.


This is a four part series on the PSA AK-V 9mm:


Note, I have to buy all of my parts – nothing here was paid for by sponsors, etc. I do make a small amount if you click on an ad and buy something but that is it. You’re getting my real opinion on stuff.

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 in**@ro*********.com . Please note that for links to other websites, I may be paid via an affiliate program such as Avantlink, Impact, Amazon and eBay.



What To Do When Your AK’s Barrel Is Too Big For Your Front Trunnion?

A few years ago, I bought a 1969 Polish Radom Circle 11 AKM kit from Arms of America. It has laminate furniture, matching parts and they populated a new Polish Chrome Hammer Forged (CHF) barrel with the front, gas and rear sight blocks. Furthermore, it was headspaced. I double checked that before I pushed out the barrel pin and then the barrel – that’s where things got interesting.

Pressing Out The Barrel

I have a 30 ton H-style hydraulic press with a 20 ton air-over-hydraulic bottle. The thing is a brute and have used it many, many times over the years on gun and car projects. There are a few things you learn over the years – 20 tons is 40,000 pounds and is a serious amount of pressure – steel parts can bend, break or even shatter under those loads. You learn to go slow, watch carefully feel the pump and listen. I also learned long ago to use the air to move the ram quickly but always do the real work by hand for those very reasons – I’ve bent the crap out of stuff in years past because you can’t tell what is going on.

I wear a full face shield when working with a press. I’m not joking when I say things can go bad fast when there is a lot of pressure. When you push out a barrel, you just don’t expect a ton of pressure from a new kit – at least I don’t. I’ve had some real hairy barrel pins and barrels in years past when dealing with surplus… but not on a new kit with a populated barrel … not until now.

Pressing Out the Barrel

As you can guess, the barrel did not press out easily. I had to apply a boatload pressure – way more than average. So much that I put a 3/4″ piece of plywood between me and the trunnion/barrel assembly. I was also checking and double-checking that my barrel press tool squarely on just the barrel and not a part of the trunnion – guys I was nervous.

I reached the point where I knew I was squarely on the barrel and something had to give. I was whacking on the press trying to shock the barrel out and I kept upping the pressure – pump, whack, pump, whack… Finally the barrel came free like a gun shot. Guys- do you remember the old Romy kits where the pins and barrels sometimes felt like you were taking your life into your own hands? That’s what this felt like.

I actually inspected the front trunnion very carefully looking for cracks. I then inspected the chamber end of the barrel – nice and smooth – remarkably smooth. No signs of galling. Ditto on the inside of the trunnion. I suspect that someone was using some kind of press system that included a barrel support and slammed that new barrel in using a level of force I couldn’t do without damaging parts. I noted to myself that reassembly was probably going to be just as colorful.

Building The Kit

Nothing new about building the kit – I had fun. In the below photo, the front trunnion and rivets are just sitting there. I was mocking things up and they are not actually set. I installed the trigger guard taking care to orient the selector stop properly and using a rubber band to keep the assembly together as I used my press and an AK-Builder trigger guard rivet jig to do the job.

The rubber band keeps the receiver down on the trigger guard jig so the rivet, selector stop and trigger guard all stay in place while you move around. The AK-Builder jig really does a nice job.
Here, everything is drilled and seems good to go.

So let’s get back to the main point of this blog post and why you are probably reading this – what do you do when the interference fit is too tight and the barrel will not go into the trunnion all the way.

Life Got Colorful Trying to Press The Barrel Back In

Yeah, that tight fit came back to haunt me. I tried polishing the trunnion and applying non-seize. Usually this works for me but when I went to press the barrel back in, it would not go. I saw the barrel begin to deflect in the press and immediately stopped. Let me explain what I mean by deflect – a material will bend so much and spring back into place. When I saw the barrel begin to deflect, I immediately stopped – it was taking way too much pressure and I was risking bending the barrel permanently. It was time to press the barrel back out and rethink the situation.

Here’s my barrel and my receiver. I double-checked the barrel to make sure I did not bend it – I got lucky. I always get worried if I see the barrel start to deflect/bend — they don’t always return to true.

So, what this confirmed for me was the someone slammed this thing together – hard. An AK barrel is press fit into the trunnion. To do this, the barrel is a tad bigger than the hole made for it in the trunnion by about 0.0010-.0026″ (0 .025-0.065mm) according to Robert Forbus who is a true machinist and has shared a ton with the AK community – click here for his page). At the tighter end (around 0.002″) it is getting hard, if not outright impossible, for someone to press the barrel into the front trunnion without the proper specialized barrel press equipment that supports the barrel. I have a big press but nothing to properly support the barrel in these high-pressure situations. It would likely warp like a wet noodle if I just kept adding pressure.

I don’t own a machine shop but I am a redneck with a shop. I needed to open up the barrel channel in the trunnion and opted to use an OEM brand brake hone. Why? Because I’ve used these small bore hones in the past for other things and was pretty sure it would work for this too.

There are tons of brake hones on Amazon. Click here to open a tab and see them.

I also need to point out that I have no way to accurately measure the barrel or the trunnion so I figured I would remove a bit and try to install the barrel, remove a bit and try, over and over until it went in. The next picture shows my OEM hone (and the Lisle is virtually identical):

Take a look at the above picture – by tightening the knurled nut at the base of the spring, you can apply more and more pressure to the 220-grit stones at the end of the arms. (The Lisle tool’s stones are 240 grit purely FYI – not a big difference.) I just used the basic pressure and did not increase it. Life lesson for me years ago – it’s easier to take more material off than it is to put it back on.

I applied cutting oil to the trunnion liberally and then slid the hone in and out with my drill on slow speed. I would do this for a bit, clean stuff, and then tested how far the barrel goes into the trunnion by hand and then keep removing more. This is not the time or place to get impatient.

By the way, OEM makes fine 400 grit stones that you can swap into place and use to polish the interior further if you . I got the job done with the 220 grit stones and silver Permatex anti-seize compound. If I had the 400 grit stones handy at the time, I would have done so but I did not. Also, be sure to clean out the grit/dust before you try to reinsert your barrel.

My one action photo and it was blurry! You get the idea. Keep it lubed with the cutting oil and keep moving the unit in and out so you are polishing the whole barrel channel.

This is a down and dirty “git ‘er done” approach and will make machinists cringe. I go slow and test — I would push the barrel in, test and the press it back out if need be. [Click here to see how to make a barrel backout tool].

*IF* you see a bur or squished rivet protruding in the trunnion, then carefully grind that down with a Dremel and polish with the hone. Don’t try to do it all with the hone or you will be removing material elsewhere that you may need – the arms are spring loaded and independent so they will go where ever they can. This is a pro and con.

After a couple of tries, the barrel went all the way in with the press. To be safe, I confirmed the head space using real Manson brand 7.62×39 gages (use real gages folks and treat them well – don’t go cheap). The barrel headspaced just fine so I pressed in the pin and finished the rifle up.

Bottom line, a brake hone can help you carefully remove steel from the front trunnion and get a tight fitting barrel to go in. It worked wonders on this 1969 cold warrior that is now ready to go to the range.

The 1969 Polish AKM rebuilt and ready for the range!
The rifle is wearing one of our Polish Tantal/AKM grips as a 922r compliance part – we make them by hand here in Michigan from a glass fiber reinforced polymer.

Click here to learn more and order one of our Polish Tantal/AKM grips.


One of our fire control group retaining plates. that fits all AKMs and rifles that use standard AKM fire control groups.

It also has an ALG fire control group – they are awesome triggers – and one of our fire control group retaining plates. Click here for our fire control group retaining plates.


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WBP Rogów Videos How They Demil a Circle 11 Underfolder AK — Pretty cool but sad too

Wytwornia Broni Jacek Popinski (WBP) is a privately owned firearm manufacturer located in Rogów, Poland.  Some folks assume it is the old government Radom armory with a different name but it is not.

In the US, we know about WBP because of the efforts of Arms of America (AoA) to import high quality Polish AK kits and, recently, firearms.  I ordered my first kit from AoA a tad over a year ago and ordered a number of other things from them including a demilled Radom kit that I want to build this Winter.

In usual form, I was surfing around and found this video that WBP had posted showing them demilling a Circle 11 underfolder.  Part of me is always sad to see one of these fine guns being cut up just to enable importation into the US but another part of me is also happy because at least this way we get to enjoy them.

This is a brief video and I was pretty intrigued towards the end watching how they remove the blocks from the barrel and drilled out the rivets.  Having demilled a lot of kits in the past, I’ve always found the rivets to be tedious.

Here’s the brief video that’s just under 10 minutes and I hope you enjoy it:


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Palmetto State Armory (PSA) has a stunning array of Kalashnikov firearms now. AK-47s, AK74s, 100 series, rifles, pistols … it’s impressive. Click here to go to their main AK menu.

Please note that all images were extracted from the video and remain the property of their respective owner(s).


Tips on Finding Decent Gunsmithing Tools on eBay

One of the challenges when starting out working on guns is building your tool collection.  It’s hard to find cost effective tools so you wind up making do with stuff, creating tools ad hoc, etc.  Interestingly enough, this is where eBay just might help.  While I’m not happy with their anti-gun position, there are a lot of tools that pop up there – ranging from low-end Chinese stuff all the way to some beautiful vintage tools.

So, I want to show some example searches with 20 live feeds from each section:

Gunsmith and Gunsmithing Tools

The trick is in the searching.  For example, here are the top 20 matches for gunsmith tools or gunsmithing tools and you will probably see a mix:

[ebayfeedsforwordpress feed=”https://www.auctionrequest.com/arfeed.php?uid=inf5efd3d98495c&keyword=%28gunsmith+tools%2Cgunsmithing+tools%29&sortOrder=BestMatch&programid=1&campaignid=5338063879&toolid=10039&listingType1=All&feedType=rss&lgeo=1″ items=”20″]

Of course there are brands I will steer away from such as NCStar and others that I will look closer at such as Brownells, Lyman, Tipton, Weaver, etc.  I also read the ratings of the seller.  If a seller has a good rating and more than 30 sales, that’s a good sign.  Less than that and you are taking a gamble.

Vintage Gunsmith Tools

“Vintage” seems to be a popular term for “used”.  You tend to find a lot of unique stuff that was made by a gunsmith to fit a special need as well as high-quality tools that were made with care vs. mass produced.  Be careful though.  I’ll zoom into the photos as much as I can plus look at the seller’s description and the rating of the seller to try and decide if the tools are in good shape or beat to death.

[ebayfeedsforwordpress feed=”https://www.auctionrequest.com/arfeed.php?uid=inf5efd3d98495c&keyword=vintage+gunsmith+tools&sortOrder=BestMatch&programid=1&campaignid=5338063879&toolid=10039&listingType1=All&feedType=rss&lgeo=1″ items=”30″]

Used Gunsmith Tools

“Used” is still a popular term and is worth checking also.  Bear in mind the cautions I gave under vintage.

[ebayfeedsforwordpress feed=”https://www.auctionrequest.com/arfeed.php?uid=inf5efd3d98495c&keyword=used+gunsmith+tools&sortOrder=BestMatch&programid=1&campaignid=5338063879&toolid=10039&listingType1=All&feedType=rss&lgeo=1″ items=”30″]

Brownells Gunsmith Tools

Brownells has been around a long time — they were founded in 1939 and have always been known for their quality tools, parts and supplies to gunsmiths.  Because they have been around for so long, you tend to see a fair amount of Brownells stuff hit eBay by name so that is worth searching.  Still look at the photos closely and the seller’s rating to play it safe.  By the way, if you have never read their Gunsmith Kinks books – be sure to pick them up.

[ebayfeedsforwordpress feed=”https://www.auctionrequest.com/arfeed.php?uid=inf5efd3d98495c&keyword=%28Brownells+gunsmith%2Cbrownells+tools%29&sortOrder=BestMatch&programid=1&campaignid=5338063879&toolid=10039&listingType1=All&feedType=rss&lgeo=1″ items=”30″]

Antique Tools

What is “antique” really is up to the seller.  You’ll see stuff that ranges from a few years to over 50 years old.

[ebayfeedsforwordpress feed=”https://www.auctionrequest.com/arfeed.php?uid=inf5efd3d98495c&keyword=antique+gunsmith+-%28ratchet%2Cair%29&sortOrder=BestMatch&programid=1&campaignid=5338063879&toolid=10039&listingType1=All&feedType=rss&lgeo=1″ items=”20″]

I hope this helps you out!  There is a ton of stuff out there if you experiment with the search terms some.


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Fitting a Csspecs Steel Magazine To A SDS Lynx 12ga Shotgun

Csspecs makes wicked steel magazines for a variety of niche weapons. They make a well respected magazine for 12 gauge Saiga shotguns. That meant it would fit my SDS Lynx 12ga also.

I placed my order on their website and within a week receive to magazines that were built like a tank. I had a problem with some of the plastic SDS 10 round magazines in terms of the follower going all the way to the top. The Csspecs follower shot up in the top so fast I think you could take off a body part 🙂 just kidding but it is very well done.

You have to love a magazine that is so heavily made it can be used as a defensive weapon all by itself 🙂  Seriously, Csspecs makes some wicked mags and they tell you right up front that you may need to do a bit of fitting and I did.

Fitting The Magazines

The magazines come with a small instruction pamphlet for fitting that makes perfect sense to anybody who’s ever had to fit AK magazines. Step one is to make sure that the magazine fits correctly from front to back. If it does not you trim a little bit off the back tab of the magazine.

In my case it set right in. You can see how the mag stops are coming right against the bottom of the receiver.  This is good!  If I did need to trim it, I would have carefully filed a bit and tested over and over until the mag stops contacted the receiver, polished the surface and applied cold blue per the details in the next step.

In my case, the magazine locking lever would not engage the mag’s tab at all. That means that little tab was too thick and needed to be filed down. This is really a situation where you want to use a fine hand file and take off a little bit at a time and test – don’t rush this. Take care to maintain the slight angle. This helps with the lock up.  Do not make it flat and try to keep it as straight across as possible.

I can’t stress enough, take your time.  The above was done with a single-cut file where one edge was ground down so I can make cuts like this with out damaging the surface.  You can sometimes buy files like I show below with one or both edges left plain.  In my case, I used my belt sander to remove the teeth on that side.

This is not a situation where you want to rush. Take a little bit off at an angle and test over and over. It probably took me about 5 minutes per magazine. You want the magazine to lock into place firmly. If it is really loose I would recommend welding some material back on and fixing it.

After the filing, I did use a fine rubber abrasive polishing but in my Dremel to smooth the surface out so the lock up process would be smoother.

After I had the fitting correct, I use the little bit of Brownells Oxpho blue liquid on Long dobbers and blued the surface followed by some oil.

That is all there was to it. I hope this helps you out. Kudos to CS specs for making some very nice magazines. These things are rock solid and I may very well pick a couple more up at some point.


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