Get ready for an aggressive looking upper assembly for your AR-15 build. This complete upper assembly comes to you prebuilt with a 16" parkerized barrel and a 13.5" free-floating keymod handguard. And you don't even need any tools to install it. Just push out the takedown and pivot pins, mount the upper assembly, and push the pins back in. It's that easy. All you need will be to mount the backup sights or optic of your choice.
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
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.