Category Archives: AKBuilds

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

What are rear stock options for SDS Lynx 12 Gauge shotguns?

A fellow messaged me the other day and asked what options he had to replace the light fixed stock on his SDS 12 gauge shotgun. I told him that he has a lot. The rear of an SDS is very similar to an AKM or AK-74.

The rear piece that holds the stock in is called a “trunnion” they are what provide the real strength in the sheet metal receiver. The stock is held in place by the two screws you see. Be sure to use a blade screw driver bit that completely fills the slot. You can see that whomever installed the screws at the factor did not do this and slightly deformed both slots by using an undersized screwdriver or blade bit.
You may need to use a wood dowel, or whatever you have handy, to tap the stock out. I like using a hardwood dowel because it doesn’t bend or scratch things all up.
I used a Rifle Dynamics adapter that lets you convert from the AK-rear to an AR/M4 buffer tube. Both the Rifle Dynamics adapter and the one sold by PSA are very well made.

With the rear stock removed, you can use any AKM/AK-74 traditional wood or polymer stock that you want or adapter to use an AR-style stock. Read up online before you buy because there are tons and tons of options and combinations for you.

I hope this helps you out and here are a few examples for your consideration:


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Introducing 1/2″ and 3/4″ Pull Rings For Our Quick Takedown Pins

When I originally designed our Quick Takedown Pins for the Yugo M85/M92 and then also the Bulgy/Tula Krinks, PSA AK-V and Vepr 12 shotgun, I used my hand size as a gauge for making a pull ring big enough. Guys have asked me repeatedly over the years for smaller pins but I could never find them made well enough that I felt good about carrying them — until now!

This is my AK-V with its quick takedown pin with the standard size 1″ ring installed.

This last time when I placed an order with the machine shop that makes my pins, I asked if they could do custom heavy duty 1/2″ and 3/4″ pull rings from stainless steel with a black oxide finish and they said they could! It cost a fair penny because I needed to order a boatload of each but here they are as an accessory if you want to purchase them … please purchase some 🙂

Here are the three rings side by side. The pins all come with the 1″ standard ring installed.

The 1″ and 3/4″ rings are very beefy. We had to go to smaller gauge wire to do the 1/2″ rings but they should work just fine – it’s really the pin itself that does all the work.

Click here to go to the page with all of the pins and rings if you would like to place an order.


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PSA Has Both Yugo M70B1 and M70AB2 Parts Kits On Sale!

Hi folks, I’m a fan of Yugo AKs and have been for some time. I wanted to do a quick post to let you know that both fixed stock (M70B1) and underfolder (M70AB2) kits have hit the market at a good price. You will need to build/buy a receiver, barrel and 922r parts to complete them.

Here’s a photo from PSA of one of the M70B1 kits. Click on the image to go to the order page.
This is a photo of one of the PSA M70AB2 underfolder kits.

If you are interested in building a Yugo AK, you might want to consider snagging one of these. I suspect they will sell pretty quick.


As a reminder, PSA has their own line of AK rifles and accessories in case you want to check them out.

4/24/2020 Update: I received my M70B1 and it was in pretty good shape and the numbers matched. In other words – it’s not all rusted together. All the parts are in one bag and the wood is dinged up but it’s buildable. I hope to get some photos later — let me put it this way, I’m debating whether to buy a second or not.

PSA AK Webstore Links

Interested in an American made AK? Consider Palmetto State Armory (PSA) as a source. Click on the following links for the associated webstore categories for AK-related rifles, pistols and parts at PSA:


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Great Deals On Pistol Braces and Pistols With Braces At PSA

When the ATF reversed the ruling about braces and enabled folks to use them however they saw fit, the demand and supply of pistol braces went into orbit. I have carpal tunnel and a hereditary tremor so for me, using a brace is the only way I can wield a heavy pistol – such as one based on an AR, AK or MP5 type of action.

Examples of Braced Pistols

SB Tactical’s PDW brace is great on AR pistols
IWI Galil Ace in 7.62×51 with a SB Tactical SBA4 adjustable brace
PTR PDWR .308 pistol with a SB Tactical folding mechanism and SB Tactical SOB brace

Palmetto State Armory (PSA)

PSA has come a long way. I’ve used them as my go-to AR parts supplier for years and now they have great deals on parts, kits, receivers, and firearms. They also offer some great deals on braces – by themselves as parts, as part of a kit offering or even on firearms.


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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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