Description
- Type: 223/5.56 NATO AR15/M16 (full auto)
- Bolt: Case hardened 9310 steel, shot peened w/ black nitride finish
- Carrier: Billet machined case hardened 8620 steel w/ black nitride finish
- Gas Key: 4130 steel, attached using Grade 8 hardware and proper staking techniques
- Weight: 11.4 oz.