RISE Armament AR-10 Black Nitride Bolt Carrier Group

Manufactured with precision and individually MPI tested, the RISE Armament® AR-10 Black Nitride Bolt Carrier Group(BCG) is designed to ensure long-lasting durability and reliable field use with your AR-10 rifle. The gas key boasts tool steel construction with grade 8 hardened fasteners that are staked properly to help ensure proper cycling every time you pull the trigger. Further, the 4140 steel cam pin and shot peened tool steel extractor round out this BCG and ensure safe and proper function when shooting your favorite rifle. This BCG features a heat treated and case hardened 8620 tool steel construction carrier with a corrosion-resistant and easy-to-clean nitride finish for superior strength and smooth and reliable function while the 9310 MPI tested bolt works with the extractor to help ensures each round is properly seated into place. Backed by a lifetime warranty from RISE Armament. Made in USA.