USED Hughes Ballistics 5.56 AR-15 USGI Profile Barrel Muzzle Crowned 16in Mid-length 1-7 Twist Black Nitride HB15USGI16556BS EDEMO1 Condition Parts. 56 chambered 16 inch USGI Profile mid-length Barrel is machined from 4150 Chrome Moly Vanadium steel...
USED Hughes Ballistics 5.56 AR-15 USGI Profile Barrel Muzzle Crowned 16in Mid-length 1-7 Twist Black Nitride HB15USGI16556BS EDEMO1 Condition Parts. 56 chambered 16 inch USGI Profile mid-length Barrel is machined from 4150 Chrome Moly Vanadium steel...