Aero Precision 5.56 Bolt Carrier Group - Black Nitride

SKU# 1677 | by Aero Precision
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The Aero Precision Black Nitride Bolt Carrier Group (BCG) is a high quality addition to your AR-15 build.


  • M16-cut carrier
  • Machined from 8620 steel
  • Carrier has forward assist serrations
  • Black Nitride Finish - advanced lower friction coating that minimizes the need for lubricants and cleaning
  • Properly staked gas key
  • 5.56 Bolt is machined from Carpenter 158 tool steel
  • Shot peened
  • HPT tested/MPI marked
  • Black o-ring insert on extractor
  • High quality BCG

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