.223/5.56 Bolt Carrier Group- Black Nitride (Made in USA) (BCG-N) by www.wildmountainusa.com +
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Ex Tax: $139.99

AR-15 Bolt Carrier Group Assembly Side Charging- Black Nitride - 9310 Bolt (Made in USA)

Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key fastened with hardened Grade 8 fasteners. The ultra-hard and corrosion-resistant Black Nitride ensures this BCG's continued reliability and precision. 


  • M16 Style (Full Auto)
  • .223/5.56 Caliber
  • Mil-Spec
  • Precision Machined
  • Heat Treated Steel
  • Shot Peened MPI Bolt - 9310 material
  • 8620 Gas Carrier
  • Made in USA
  • Ultra Hard Black Nitride Finish
  • Fits: AR-15 / M16
  • Side Charging

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