Build Sheet

AK-47 Build Sheet

The one build on this site we mostly talk people out of. Real AK kit-building is gunsmith work. Here is what it costs, what it takes, and the route we actually recommend.

7.62×39 · AKM · Advanced · Build service / advanced · Tools: Rivet jig + press (or a build service)

Build Sheet · Cold Bore Index · Last checked August 2026

What this build is

This page is going to argue against itself, and that is deliberate. Building an AK from a parts kit and a flat is not like building an AR. It means pressing a barrel into a trunnion, setting rivets with a jig and a press, and getting headspace right on a rifle where nothing is standardized. Done wrong, you produce an unsafe rifle or a ruined receiver, and usually both.

The people who should do a true kit build are people who already own a press, have done it before or are being taught by someone who has, and are prepared to scrap their first attempt. That is a real hobby and it is rewarding. It is not a first build.

For everyone else, the route that works is a barreled receiver or a complete rifle, then upgrades: trigger group, furniture, gas tube, muzzle device, optics mount. You get the rifle you want, you keep your money, and nothing you install requires a rivet. The parts list below covers both routes, and the first line is the fork in the road.

One warning about the numbers below. The parts list prices the route we actually recommend: a barreled receiver or complete rifle, then upgrades. A true kit build needs a receiver or flat, rivets, and either a press and jig or a build service, none of which are in that total. Budget several hundred dollars more, or the cost of a build service, if you go that way.

The parts list and what it costs

Every part of the firearm itself, with a ballpark price for each. Optics, mounts and extra magazines go on top of this. The estimated total for this build is $575–$775, the sum of the parts below with a ±15% band around it, because prices move.

These are ballparks, not quotes. Prices move weekly and we do not invent them. The deal board links straight to the retailer's own product page so you see the live price before you buy.

The part that needs an FFL

The serialized part is the receiver, and how you acquire it decides the whole project. A barreled receiver or complete rifle ships to a licensed dealer for a background check and is ready to shoot or upgrade. Turning an unfinished flat and a parts kit into a rifle is manufacturing work (the rivet and press process described above), and it also runs into 18 U.S.C. § 922(r) and 27 CFR 478.39, the imported-parts count rule that limits how many foreign-made parts a rifle assembled from an imported kit may contain. Enforcement history on 922(r) is famously thin, but it is a real federal rule and worth knowing the name of before you start. Trigger groups, furniture, gas tubes, muzzle devices, and magazines all ship to your door either way.

Where to save

These are the parts where the budget version and the premium version are the same material with a different roll mark:

• Furniture. Stock, handguards and grip are cosmetic and ergonomic. Buy what you like; polymer sets are inexpensive and good.
• Magazines. Steel and polymer AK magazines are among the cheapest reliable magazines in existence.
• Muzzle device. Standard 14×1 left-hand thread, nothing exotic needed.

Where not to save

And these are the ones where cheap costs you twice:

• Barreled receiver. Whatever you spend here determines whether you have a rifle or a project. This is the wrong place to chase the lowest price.
• Trigger group. A quality FCG transforms the rifle and costs very little. It is the single best upgrade on the platform.
• Gas tube. Cheap gas tubes warp, so buy a decent one.

Common mistakes

• Starting with a kit and a flat as a first build. This is the mistake this whole page exists to prevent.
• Assuming AK parts are standardized, which they are not. Stamped and milled receivers, and different countries of origin, all vary in fitment.
• Buying furniture before knowing whether your rifle is stamped or milled, and whether it takes a standard or Yugo-length handguard.
• Ignoring rivet quality on a used build. If you are buying somebody else's build, inspect the rivets before you inspect anything else.
• Forgetting that the muzzle thread is left-hand.

Before you load it

Do all of this with the firearm confirmed unloaded and pointed somewhere safe, before it ever sees live ammunition. It takes a couple of minutes and catches almost every assembly error:

1. Function check. The hammer or striker holds when cocked, the trigger releases it, and the trigger resets.
2. Safety check. With the safety engaged, the trigger does not release the hammer or striker. Check every safety the design has.
3. Hand-cycle dummy rounds or snap caps. Watch them feed, chamber, extract and eject. Do it slowly and watch, not fast.
4. Headspace. If your barrel and bolt did not ship together as a matched pair, check it with go/no-go gauges for your exact chamber before firing.
5. First live rounds one at a time. Load a single round, fire, and inspect the case, then do it again, then load a full magazine.

If anything on this list does not behave the way it should, stop and take it to a gunsmith. That is a cheap afternoon compared to the alternative.

FAQ

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