Brownells M16 Bolt Carrier Group .223 Remington/5.56x45mm/.300 AAC Blackout, Black

The Brownells M16 bolt carrier group is engineered for compatibility with .223 Remington, 5.56x45mm and .300 AAC blackout calibers. This component is designed to meet the rigorous demands of modern firearms, ensuring reliable performance and durability. The bolt carrier group is constructed from high-quality materials, featuring a black finish that enhances corrosion resistance and reduces wear. Precision machining ensures optimal fit and function within the firearm, contributing to consistent cycling and improved accuracy. This bolt carrier group is suitable for both professional and recreational use, providing a robust solution for firearm enthusiasts and operators.Bolt carrier group, fully assembled, comprising the bolt, bolt carrier, gas key, firing pin, cam pin and firing pin retaining pinEach bolt undergoes magnetic particle inspection (MPI)The bolt is manufactured from carpenter 158 steelAfter the machining process, the bolt undergoes heat treatment and shot peeningThe installed extractor features a red O-ring equipped with a springThe M16 bolt carrier is precisely machined from 8620 steel and subsequently hardenedThe interior of the bolt carrier and the carrier key are chrome-lined exclusively on the M16 phosphate bolt carrier groupThe M16 bolt carrier is compatible with both semi-automatic and fully automatic AR-15/M16 platformsThe gas key screws are correctly torqued and stakedThe bolt and bolt carrier are equipped with a matte black, military specification finish