ARMSLIST - For Sale: Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group

For Sale: Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group – Polished Nickel Boron

$ 170

Listed In: Gun Parts

Purchase the Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group – Polished Nickel Boron here!

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
Nickel boron coating inside and out (bolt, carrier, and gas key)
Forged MIL-SPEC gas key attached with grade 8 hardware and properly staked.
5.56 NATO bolt is shot peened and magnetic particle inspected
MIL-SPEC extractor spring, black extractor insert, Viton O-ring
Tool steel extractor
Weight 11.52 oz

100% MADE IN THE USA

Backed by the Dirty Bird Industries Lifetime Warranty

Take a look at our other AR-15 Parts here!

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