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Mfg Item #: SA300087
This 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. The nickel boron coating has increased lubricity and a low friction co-efficient; therefore the life expectancy of a firearm will be greatly increased due to reduced friction wear. - Coating: Extremely Durable Nickel Boron Coating - 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