Complete upper receiver with colt carrier group and charging handle:
- M4 parkerized 4150 chrome vanadium barrel, chambered in 5.56 with a 1:8 twist
- Birdcage flash hider
- Carbine length gas system
- 15" m-lok handguard
- Flat-top mil-spec upper receiver with installed dust cover and forward assist
- Black Nitride Bolt Carrier Group
- Mil-spec standard charging handle
Mate this to your complete mil-spec lower receiver. Install some sights and go shoot.
- Barrel Length
- 16,
- Fit
- AR-15,