DealBarrel Length 16" Chrome Moly Vanadium barrel Steel 5.56 Nato Chamber 1 in 7" twist Mid-length Gas A2-style profile Nitride Finish .750" Gas Block Diameter M4 Feedramps Forged Upper F-marked Front sight base A2-style flash hider **Does not include BCG or Charging Handle*** from Palmetto State Armory (Product 7777766) |