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FAIL ZERO M16 BCG - EXO NIB COATED

Regular price $165.99
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FailZero M16/M4 Bolt Carrier Group, EXO Nickel Boron Coated, Matte Finish FZ-M164-01-NH-MATTE

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 coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.  Fail Zero's patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:

  • Bolt & Extractor (5.56/.223/300 Blackout compatible)
  • Bolt Carrier
  • Extractor
  • Cam Pin
  • Carrier Key
  • Firing Pin