.308 Bolt Carrier Group with Black Nitride Coating
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MPI Bolt (Magnetic Particle Inspected)
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Carpenter 158 steel bolt (Black Nitride)
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Shot peened firing pin
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Grade 8 hardened fasteners
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8620 heat treated carrier, polished w/black nitride coating
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Key staked per Mil-Spec
No returns taken on bolt carrier groups. If defective, we will arrange shipment and return to manufacturer representative for inspection/repair or replacement. Void if fired with reloads or if rifle is not assembled by a manufacturer or gunsmith.
