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Full-Auto Black Nitride BCG

A Black Nitride finished 5.56/.223 Full-Auto BCG, completely assembled, ready to install

This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride.
The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance.

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are Black Salt Bath Nitride Finished which provides durability and increases both wear and corrosion resistance.

Black Nitride treated parts include:

  • Bolt & Extractor (5.56/.223 compatible)
  • Bolt Carrier
  • Extractor
  • Cam Pin
  • Carrier Key

Firing Pin has chrome finish



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RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

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