This Phosphate .308 Complete BCG is compatible with any AR10, .308 or 7.62×51 rifle that follows the DPMS pattern. The bolt is (MPI) certified.
Bolt:
- MPI Inspected
- 9310 Alloy Steel
- Hardened Steel Extractor
- Milspec Gas rings (3)
- Black Extractor Insert
- Shot-Peened, MPI bolt
- 8620 steel
- Heavy Duty Full Cut Design
- Grade 8 Gas Key Screws, Staked
- Gas Key Material – 4140
- Chrome-lined Carrier and Gas Key
- 8620 Steel
- Mil-Spec Firing Pin