16” Carbine-Length Rifle Kit w/ Lightweight 13.5” Keymod Handguard
Normally, If you want to build a close-to-top-tier AR 15, you’re gonna have to cough up some serious cash and do some custom gunsmithing – but not anymore. This 16” mid-length rifle upper affords you with a convenient pre-built way to own a premium black rifle upper without any guesswork or loads of cash spent.
This 16” upper features a lightweight, 13.5” keymod handguard, free-floated to guarantee accuracy. You’ll enjoy plenty of rail space to attach all your favorite accessories without putting added stress on the barrel. This upper contains a 16” barrel is made from 4150 chrome moly steel – hardened and accurate that commonly affords MOA accuracy.
This upper includes a forged 7075 T6 upper, full-auto bolt carrier group, low-profile gas block, muzzle device, charging handle and a 4150 chrome moly steel nominal 1:7 twist rate barrel make this rifle kit one of the most versatile, accurate, and ergonomic uppers available at this price point.
Upper Assembly Specs
Barrel Length: 16″
Gas System: Carbine-length
Barrel Profile: A2 style
Barrel Steel: 4150V chrome moly
Barrel Finish: Black nitride
Chrome Lining: No
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750″
Gas Block Type: Low-profile
Muzzle Device: A2 flash hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: 13.5″ lightweight free-float keymod
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle included: Yes
Overall Length: 24.5″
Why This 16” Rifle Upper?
- Ships straight to your front door – no FFL required!
- Completely legal to own, this is not considered a firearm
- Top-tier construction affords MOA accuracy
- Prebuilt upper is ready to fire out of the box
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.