White Label Armory BCG 5.56 Bolt Carrier Group Nitride Coated 1213085. 56 NATO is engineered for unmatched reliability and premium performance. Featuring a precision-ground carrier machined from 8620 steel and treated with H&M's Blacknitride+ finish...
White Label Armory BCG 5.56 Bolt Carrier Group Nitride Coated 1213085. 56 NATO is engineered for unmatched reliability and premium performance. Featuring a precision-ground carrier machined from 8620 steel and treated with H&M's Blacknitride+ finish...