Want SBR style performance without the expense and hassle of building a registered SBR? Try our exciting 10.5” 5.56 NATO chambered pistol build kit. This isn’t just any 10.5” pistol kit though, it is built from the ground up to be exciting and new, from the Flash Can muzzle device, to the state of the art M-Lok handguard that can be readily fitted with almost any sort of accessory in minutes. Complete, tested and ready to install on your finished lower, this upper stands above the usual AR pistol crowd and is immediately recognizable as a quality semi custom unit.
Nothing says fun at the range or even tactical utility like a 10.5” barrel, and when you build your own 80% lower at home, the fun and pride of ownership shines through. Take advantage of this golden age of AR manufacturing, and add this build kit to your collection at historic low price points.
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).
AR-15Lowerreceivers.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally. 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 (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. We try our best to keep our shipping page current, but laws change daily.