Description
- 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
- Black o-ring insert on extractor
- High quality BCG
