Description
- 16" Barrel Length
- 5.56 NATO (accepts .223 Remington)
- Carbine Length Gas System
- 1:7" Twist Rate
- M4 Profile
- M4 Feed Ramps
- .750" Diameter Gas Seat
- 1/2x28 Thread Pitch
- 4142 Steel
- Black Nitride Finish
LBE UNLIMITED AR15 M4 16in Barrel, 556NATO, 1:7 (ARBAR-16)