Alpha Premium Nitride Bolt Carrier Group + 7075 Charging Handle 5.56/.223 MPI
Alpha Bolt Carrier Group:
- Carrier: Machined from 8620 steel & QPQ nitride/melonite treated.
- Angle cut for reduced friction
- Improved carrier geometry with M16 full auto profile.
- The QPQ nitride/melonite treatment hardends the surface to 70 RC and reduces friction as well as adding corrosion resistance inside and out.
- Bolt: 9310 & QPQ nitride/melonite treated with additional cryo freeze for extra strength. Shot peened precision ground diameters.
- Magnetic particle inspected and laser marked.
- Extractors: Aircraft quality alloy steel shot peened with crane extractor O'ring installed.
- Gas key: Machined from billet 4140 with grade fasteners and staked to mil spec.
- Chrome plated firing pin per mil spec
Alpha Charging Handle:
- Made from forged 7075 T6 aircraft grade aluminum
- Precision machined to mil spec standards
- Type III Hard Anodize finish for durability