Diamondback Barrels, 223 Remington/556NATO, 10", 1:8 Twist, Black Nitride Finish, Carbine Length Gas System, Threaded 1/2-28" 556C10M50B8R Available to order on-line. Ships in 5-14 days $76.88
Diamondback Barrel, 223 Remington/556NATO, 16", 1:8 Twist, Black Nitride Finish, Mid Length Gas System, Threaded 1/2-28", Fits AR Rifles 556M16M50B8R Available to order on-line. Ships in 5-14 days $95.00