Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group - Polished Nickel Boron 810084370063

Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group - Polished Nickel Boron 810084370063

Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group - Polished Nickel Boron 810084370063

MPN
D112

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20 months ago
The Dirty Bird Industries Nickel Boron Bolt Carrier Group is a substantial upgrade from a standard BGC. Its NiB coating reduces friction on sliding surfaces and prevents carbon build-up making cleaning a much easier task. The NiB coating offers great heat dissipation, allowing reduced wear on the BCG and interacting parts, to further prolong the lifespan of the unit. MIL-SPEC dimensions ensure correct component function and reliability. Features: Machined from 8620 tool steel (carrier) and 9310 carpenter steel (bolt) Forward assist serrations Shrouded firing pin
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