© AR15DiscountsCMC AR-15 Enhanced Bolt Carrier Group .223/5.56 – Black Nitride
- Brand
- CMC Triggers
- Color
- Black Nitride
- Category
- Gun Parts
- Platform
- AR-15
- Gun Part Type
- Bolt/BCG
- MPN
- 81631
Overview
The CMC AR-15 Enhanced Bolt Carrier Group is .223/5.56/300BLK compatible and finished with a black nitride coating. The carrier is machined from case-hardened 8620 steel with a flared rear design to reduce carrier tilt. The bolt is made from 9310 case-hardened steel and features CNC-ground external surfaces. This group includes a hardened 4340 cam pin, a mil-spec 8740 steel firing pin, and is both MPI and HPT tested. It is optimized for suppressor use with enlarged forward ports and includes a mil-spec extractor spring and O-ring.
Price & Stock History
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