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Faxon 556 NATO Nitride Bolt Carrier Group, FF556BCGNITRIDE, is a Full-Auto rated BCG compatible with full-auto fire control groups and newer multi-stage trigger systems, fully MPI tested and manufactured using the finest U.S sourced raw materials available. The Black Nitride finish vastly increases the hardness of the steel, prevents corrosion, and highly resistant to wear.  Other features include 45 degree chamfered bolt lugs, ensuring reliable action for high pressure hand loads and fast lightweight actions; meeting the standards for the most demanding operators.  Furthermore, Faxon takes normal finishing to a new level with their “Super Finish” to further reduce friction and fouling, and increase smoothness of operation.

If you want your AR-15 rifle to perform at the highest level then look no further than this Faxon TiN AR-15 Complete BCG. This BCG will meet your performance standards and value. This BCG has a 9310 tool steel bolt which is stronger and nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance. This BCG was fully MPI tested to ensure the material is sound and without defects. Bolt lugs are chamfered 45 degrees to ensure reliable action. The bolt carrier group was Superfinished to reduce friction, increase the smoothness of operation, and reduce fouling. It is full-auto rated and the gas key uses grade 8 fasteners and is fully staked.