The Brownells 6.5 Grendel / 6mm ARC Bolt Carrier Group provides users with a caliber-specific bolt carrier assembly that ensures reliable, premium performance at an affordable price. The Brownells 6.5 Grendel / 6mm ARC Bolt Carrier Group is constructed with two separate kinds of steel. The bolt itself is fabricated from 9310, while the carrier is built using 8620 hardened steel. After machining, the bolt is completed with shot peening and heat treatment.
In addition to the bolt, each 6.5 Grendel / 6mm ARC Bolt Carrier Group includes bolt carrier and gas key, also features a firing pin, cam pin and a firing pin retaining pin.
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