Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

SKU# D009 | by Dirty Bird Industries
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The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique carrier design with practical improvements in two key areas: 

  • Strategically relocated load bearing surfaces reduce carrier tilt/can't during recoil, thus increasing reliability and longevity.
  • Additional wall thickness in the gas exhaust port area for added strength and rigidity. 

The 9310 Bolt is machined to mil-spec dimensions and then the external surfaces including the lugs are CNC ground after the heat treating process to ensure a very precise fit. The bolts themselves feature the same Black Nitride finish as the carrier and are High Pressure (HP) Tested and Magnetic Partical Inspected (MPI) in accordance with Mil-STD-1816 specifications.


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