The bolt carrier assembly is designed to work with any AR-15 rifle, upper half, or barrel designed for right hand ejection in the 5.56/.223 caliber
Coating: Manganese Phosphate, chrome lined inside bolt area and gas key
Bolt carrier material: 8620 steel
Bolt: 5.56/.223 Right-Handed Bolt assembly
Included parts: Bolt carrier, bolt assembly, cam pin, firing pin, and firing pin retaining pin
Design: M16 carrier with a shrouded firing pin
Staking: Proper mil-spec staking of the gas key
SKU: STAG300424