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Sale!

$499.99 Original price was: $499.99.$399.97Current price is: $399.97.
Stop debating between 5.56 and .223. Enjoy both! Big box stores might only stock one or the other — but you don’t need to compromise. This .223 Wylde AR kit is specifically designed for maximizing the accuracy and consistency of both 5.56 and .223, using one chamber and a match 416R stainless barrel. You’re also…
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Sale!

$549.99 Original price was: $549.99.$439.97Current price is: $439.97.
Love the look of a flush-mount muzzle device? This 10.5″ AR-15 kit’s the ticket. With a 12″ free-float handguard butted up against the base of the muzzle’s threads, you’ll get that clean, gap-less look with your favorite flash can, brake, or suppressor. Includes prebuilt upper, M16 BCG, and lower parts kit. Note: Due to ATF…
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Sale!

$529.99 Original price was: $529.99.$419.97Current price is: $419.97.
Lightweight, compact accuracy with a quality stainless barrel. Lots of AR pistols come with carbon steel barrels. Those barrels do just fine, but 416R stainless can provide significantly better accuracy – and easier cleaning and maintenance to boot. This 10.5″ AR kit provides just that, paired with a prebuilt upper, M16 BCG, and lower parts…
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Sale!

Rated 5.00 out of 5
$549.99 Original price was: $549.99.$467.99Current price is: $467.99.
Introducing another great addition to our line of AR pistols build kits. This particular one is chambered in 5.56mm NATO. This kit’s pre-built upper assembly comes with a 10.5″ nitride-coated barrel with a 1:7 twist and a 12″ free floating slanted M-LOK handguard. Note: Due to ATF rule 2021R-08F, any pistol with a stabilizing brace…
Quality rifle and pistol build kits for the AR15, AR9, and popular handgun platforms.
Whether it’s a whisper-quiet 300 BLK build, an AR-15 pistol, or AR9, you’ll find quality 80% pistol kits available at at a great price. Each pistol build kit we sell (regardless of platform) is forged, CNC machined and manufactured by some of the nation’s top gunsmiths and arms makers. Each kit is guaranteed to be 100% parts-compatible with its retail gun counterpart.
First time building? Use our helpful guides.
State Laws May Vary
Contrary to federal law, some states have restricted or banned the sale, shipment, ownership, and use of pistol kits, 80% frames, and certain firearm components. Because of these bans and restrictions, we cannot fulfill orders to all fifty states. Before ordering, be sure to check our Shipping & Returns Policy to confirm your state is not restricted. If you have questions about the legality of building a firearm in your state, always speak with an attorney.
AR Pistol Kit Specs
- All carbon barrels forged from MIL-B-11595 E steel (4150 or Chromoly Vanadium)
- All carbon barrels and chambers treated with Nitride (Melonite) or Phosphate coating
- All stainless / match barrels forged from Crucible 416R steel for sub-MOA accuracy
- All bolt carrier groups (BCGs) full-auto, staked, M16 profile, chrome-lined
- All stripped upper receivers forged from mil-spec 7075 T6 aluminum
- All buffer assemblies and lower parts kits are mil-spec in fit and finish
- All upper assemblies ship test-fired and ready to install with no additional assembly required.
DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At GunBuilders.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.