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 finish
• Individually MPI tested
• Bolt: 9310 MPI tested
• Carrier: 8620 tool steel heat treated and case hardened
• Gas key: tool steel - grade 8 hardened fasteners and staked properly
• Cam pin: 4140 steel
• Extractor: tool steel – shot peened