DealM4 Feed Ramp Barrel Extension M4 Feed Ramp Flat Top Receiver T-Marked Upper Receiver 1/7 Twist 5.56 NATO Mil-Spec Barrel CMV) Chrome Lined Bore & Chamber Manganese Phosphate Barrel Finish Mil-Spec F-Marked Forged Front Sight USGI Government Profile Barrel HPT & MPI Barrel from Bravo Company USA (Product BCM-URG-MID-16-C4-12) |