Alpha Premium Nitride Bolt Carrier Group 5.56/.223 M16 Enhanced Cut MPI Marked

$ 95.97 $ 129.95

Specifications:

  • Carrier: Machined from 8620 steel  & QPQ nitride/melonite treated.
  • 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.
  • MADE IN USA!
  • FAST, FREE SHIPPING!

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