AERO Precision Black Nitride Bolt Carrier Group | BCG
A high-quality BCG that is properly staked and has no obtuse machine marks. This will make a great addition to your build.
Features
- M16-cut carrier
- Machined from 8620 steel
- Carrier has forward assist serrations
- Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning
- Properly staked gas key
- 5.56 Bolt is machined from Carpenter 158 tool steel
- Shot peened
- HPT tested/MPI marked
- Black O-ring insert on the extractor
- High-quality BCG





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