Complete bolt carrier group for 6.8mm SPC rifles Includes gas key, cam pin, firing pin, firing pin retaining pin, and 6..8mm SPC bolt assembly Matte black phosphate finish Interior of bolt carrier is chrome lined AR-15 semi-auto carrier Gas key screws are properly torqued and staked Mfg: Yankee Hill Machine Co., Inc. SPECS: Fits AR-15 6.8mm SPC rifles. Semi-auto carrier. Matte black phosphate finish.
