This NBS Black Nitride .308 Complete BCG is compatible with any AR10, .308 or 7.62×51 rifle that follows the DPMS pattern. The carrier includes forward assist serrations and the bolt is (MPI) certified.
Bolt:
- MPI Inspected
- 9310 Alloy Steel
- Hardened Steel Extractor
- Milspec Gas rings (3)
- Black Extractor Insert
- 2 Viton O-Rings
- 8620 Steel
- Heavy Duty Full Cut Design
- Grade 8 Gas Key Screws, Staked
- Gas Key Material – 4140
- 8620 Steel Nitride Finish
- Mil-Spec Firing Pin
| Weight | 17 oz |
|---|---|
| Bolt Material | 9310 Steel |
| Cartridge Compatibility | .308/6.5 Creedmoor |
| Finish | Salt Bath Nitride |
| Carrier Profile | M16 |
| High Pressure Tested | Untested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Salt Bath Nitride |
| MPN | 17895 |
| UPC | 17895 |










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