Upgrade your AR-15 platform with the Faxon 5.56 M16 Complete Nitrided Bolt Carrier Group. Engineered for reliability and longevity, this BCG features a 9310 tool steel bolt, offering superior strength compared to standard Carpenter 158. The full nitride treatment provides excellent wear resistance and corrosion protection throughout the entire BCG. Magnetic Particle Inspected (MPI) and heat-treated to MIL-SPEC standards, this BCG ensures consistent performance under demanding conditions. The properly staked gas key and forward assist serrations contribute to its reliability and ease of use.
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