.223/5.56/300AAC AR15 M16 M4 Bolt - 9310, MPI, Nitride, Stripped

MSRP: $34.95
Was: $34.95
Now: $32.49
(You save $2.46 )


This Stripped AR15 Bolt by Black Dirt Rifleworks is compatible with 223 Remington/5.56x45mm NATO based cartridges. Bolt comes stripped without any internal components and is finished in Black Nitride for the ultimate in durability and corrosion resistance.


  • Made from 9310 Steel
  • Heat Treated per U.S. Mil-Spec
  • Shot Peened per ASTM B851/SAE AMS2430S
  • Magnetic Particle Inspected
  • Black Nitride Finish
  • Compatibility: .223 Remington, 5.56x45mm NATO, 300 AAC Blackout, 350 Legend and others
  • Stripped - Assembly must be performed prior to use
  • Made in the U.S.A.

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