- 8620 Steel Bolt Carrier
- Grade 8 Screws To Mil-Spec
- Nitride Bolt Carrier Group
- 9310 Bolt MPI (Magnetic Particle Inspected)
- USA Made
- 1 Year Warranty
- Hydraulically Staked CL Key
- Nitride Heat Treated For Heavy Duty Use
- 11.6 OZ
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