LIGHT WEIGHT AR .223/5.56 NIB 9310 MPI BOLT CARRIER GROUP

LIGHT WEIGHT AR .223/5.56 NIB 9310 MPI BOLT CARRIER GROUP

NEW Light Weight AIM AR 5.56/.223/.300 BLACKOUT complete Nickel Boron Bolt Carrier Groups. Only 8.9 ounces! Approximately 26 percent in weight savings over our standard NIB BCG! We are having these bolts manufactured to our exacting standards. Features 9310 Bolt Material; 8620 carrier and gas key; Properly staked Billet gas key hardened to USGI specifications fastened with Hardened Grade 8 Fasteners; Shot peened MPI (Magnetic Particle Inspected) Bolt. Extractor insert installed. 

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