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Battle Arms Development Full Auto Bolt Carrier Group AR15/M16

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Battle Arms Bolt Carrier Group Full Auto AR15/M16

  • Laser Engraved BAD INC Logo
  • Bolt Carrier: 8620 Steel Case Hardened, Machined from Billet
  • Firing Pin: 17-4 H-900 Steel, Center-less Ground
  • Gas Key: 4140 Steel with Grade 8 Screws, Properly Staked, Machined from Billet
  • Cam Pin: 4140 Hardened Steel
  • Finish: Black Nitride finished with an ultra-hard, corrosion resistant top surface layer for wear resistance and minimal need for lubricants.
  • Bolt: 9130 steel Shot Peened, Mil-Spec Dimensions, CNC Ground After Heat Treat, Black Nitride Finished
  • Extractor: 4140 Billet, Manganese Phosphate Finished for Positive Grip