Here is an awesome, ready-to-build AR Pistol kit perfect for the dedicated AR-15 pistol shooter, short barreled rifle builder, or somebody who wants all the fun of a 10.5” barrel without the paperwork hassles that stem from building an SBR. Simply finish your 80% lower and assemble to your complete pistol or other legal-for-the-circumstance upper, and you are good to go!
Featuring a cutting edge 12” M-Lok rail system, flash busting Flash Can muzzle device and a nitride finished barrel, you’ll be the envy of all at the range when you bring this bad boy out to play! AR pistols are good, clean fun and we all know fun is enhanced with cool stuff. Don’t settle for another look alike build that resembles a stock AR pistol, top your upper with something innovative and fantastic. This 5.56 chambered build kit is a blast to shoot and great to own, no matter how you look at it!
AR 15 RIFLE KIT SPECS:
- Gas System: Carbine-length
- Barrel Profile: A2
- Barrel Steel: Chrome moly vanadium
- Barrel Finish: Nitride
- Chrome Lining: No
- Muzzle Thread: 1/2×28
- Chamber: 5.56mm NATO
- Twist Rate: 1:7
- Barrel Extension: M4
- Gas Block Size: .750″
- Gas Block Type: Low-profile
- Muzzle Device: KAK Industries Flash Can
- Receiver Material: Forged 7075 T6
- Receiver Type: M4
- Handguard Type: 12″ lightweight M-Lok free float
- Bolt Carrier Group Included: Yes
- Bolt Steel: Carpenter 158
- Bolt Carrier Profile: Full-auto
- Charging Handle Included: Yes
Benefits of the 10.5” Carbine-Length Nitride AR 15 Rifle Kit:
- 100% legal to own and ship to your front door
- Not considered a firearm – no FFL paperwork needed!
- Chrome moly vanadium steel barrel ensures sub-MOA accuracy
- Prebuilt upper with gas system removes the guesswork of rifle making
- Includes bolt carrier group, free-floated M-Lok handguard and lower parts kit
AR 15 Rifle Kit Details (Expanded):
Barrel: 10.5″ carbine-length chrome moly vanadium steel, chambered in 5.56mm NATO, 1:7 twist rate, .750″ low-profile gas block, Magpul MOE handguard, with an A2 “birdcage” flash hider.
Upper Receiver Assembly: Forged from 7075 T6 aluminum, hard-coat anodized in black for durability, features M4 feed ramps, and are made in the USA.
Bolt Carrier Group: The bolt carrier is made from 9310 steel and has a staked gas key and black nitride finish. The bolt itself comes complete with an extractor spring and O-ring insert. It accepts .223 Wylde, 5.56mm, and .300BLK calibers (though you should NEVER attempt to use a caliber for which your rifle is not chambered), and is magnetic particle inspected.
80% Lower Receiver: Choose to receive a forged or billet Fire/Safe 80% lower receiver. Our lower receivers are anodized to match the upper receiver perfectly. and they come ready for machining of the trigger pocket and drilling of the safety selector and trigger pin holes.
AR-15 Lower Parts Kit: includes all parts needed to complete the lower receiver including pistol grip, mil-spec safety selector, and trigger/fire control group.
Lower Assembly: comes with complete buffer tube assembly including buffer, buffer spring, six-position buffer tube, latch plate, castle nut, and butt stock based on original Colt design.
Charging Handle: standard size, made from 6061 aluminum.
Please note: This build kit requires that the builder complete the 80% lower receiver themselves, but that’s the rewarding part of the experience (and the only way to build your own AR-15 without the need of an FFL transfer or serialization).
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.