CORE® Nitride BCG .223/5.56/300BLK
$119.99
This Complete BCG comes in a Melonite finish which produces an extremely slick surface. The carrier is made from 8620 steel. The bolt is made from 9310 steel and is MPI Tested and engraved. The 223 Bolt and Bolt Carrier Assembly is compatible with 5.56 and 300 Blackout.
- Enhanced 9310 Steel (Bolt)
- 8620 Tool Steel (Carrier)
- Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
- Tool Steel Extractor
- Shrouded Firing Pin
- Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
- Caliber: .223 / 5.56 / 300 Blackout
- Bolt is shot Peened and MPI
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Reviews
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Bolt carrier group 223 556 / 300bl
The quality and operational product Operated as expected.