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Centurion Arms C4 AR15 Bolt Carrier Group

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WMD Guns NiB-X Full Auto AR15 Bolt Carrier Group

Fail Zero Nickel Boron AR15 Bolt Carrier Group

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Quick Overview

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.  Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Availability: Out of stock

Regular Price: $159.95

Special Price $139.95

Details

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.  Our 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 compatible)
  • Bolt Carrier
  • Extractor
  • Cam Pin
  • Carrier Key
  • Firing Pin

Additional Information

Bolt Material Carpenter 158
HPT Yes
MPI Yes
Plating Nickel Boron
Carrier Profile Full Auto
Extractor Material 4140
Extactor Manufacturing Type Billet
Gas Key Material 4140
Gas Key Manufacturing Process Billet
Color Other

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