Product Overview
NON-SERRATED LOW MASS M16 BOLT CARRIER GROUP
- Caliber: .223 / 5.56 / 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
- Bolt is shot Peened and MPI
- Black Nitride Finish
- Weight: 8.610oz/ 244.05g
