ALPHA Nitride 308 Bolt Carrier Group
- All the major components have been QPQ Nitride treated (Carrier, Bolt, Extractor and gas key).
- Slicker and harder surface with 70 RC hardness.
- MPI tested and shot peened 9310 steel bolt. 8620 Steel Carrier.
- Requires very little lubrication and has a very slick surface.
- Easier to clean.
- Side staked gas key with grade 8 fasteners.
- Compatible with DPMS, CMMG & POF pattern rifles