RISE Armament RA-1011-BLK AR-15 .223/5.56 Black Nitride Bolt Carrier GroupThe RISE Armament RA-1011 AR-15 Bolt Carrier Group (BCG) in .223/5.56 is a component designed for AR-15 rifles. The BCG features a black nitride finish, providing enhanced durability and corrosion resistance. RISE Armament is known for producing high-quality firearm components, and the RA-1011 BCG is likely to reflect its commitment to craftsmanship. The RISE Armament RA-1011-BLK .223/5.56 caliber is standard for AR-15 rifles, making this BCG compatible with a wide range of firearms chambered in these calibers. The black nitride coating not only improves the BCG's longevity but also aids in smoother operation and easier maintenance. Overall, this BCG is suitable for those seeking a reliable and durable component for their AR-15 platform. RISE Armament's RA-1011 AR-15 Bolt Carrier Group is manufactured with the same level of precision and craftsmanship that all RISE products are known for. It features an easy to clean black nitride finish making maintenance, and each piece is individually inspected to ensure the utmost quality. Features: High-strength and easy-to-clean black nitride finishIndividually MPI testedBolt: 9310 MPI testedCarrier: 8620 tool steel heat treated and case hardenedGas key: tool steel - grade 8 hardened fasteners and staked properlyCam pin: 4140 steelExtractor: tool steel – shot peened RISE Armament RA-1011 AR-15 .223/5.56 Black Nitride Bolt Carrier Group RA-1011-BLK