M16 Bolt Carrier NITRIDE Complete

M16 Bolt Carrier NITRIDE Complete

Bolt carrier group assembly (full auto version) for your AR-15, M16 or M4. Nitride coated for durability & ease of cleaning, Heavy FA profile at rear of carrier group & under firing pin. Complete assembly, properly staked gas key. Including- 8620-bolt carrier, 5.56 NATO 9310- Bolt, firing pin, cam pin & retaining pin. MPI inspected bolt.

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