AR15 .223/5.56 16" M4 PREMIUM BARREL KIT
16" 5.56NATO M4 CroMoly Steel Barrel with 1:7" Twist (Threaded 1/2x28)
Phosphate finished barrel is match air gauged for maximum uniformity.
Carbine Length Gas Tube with Roll Pin
Steel Gas Block
AR15 Flash Hider with Crush Washer