FailZero

Fail Zero BCG Nickel Boron Plated Bolt Carrier Group 556

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  • FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on Fail Zero.

    This Fail Zero BCG is fully assembled and drop-in ready for most Mil-Spec upper receivers. All critical parts are coated with EXO Nickel Boron technology providing permanent dry lubricity, extreme durability and increased wear and corrosion resistance. This patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

    This is a 223/5.56/300 Blackout bolt carrier group.

    This AR BCG will not work with 6.5/6.8/308 etc.

    See also our Black Nitride BCGs here: Toolcraft Black Nitride BCG

    Buy with confidence! FREE SHIPPING + 30-DAY NO-HASSLE RETURNS.

  • Bolt Material Carpenter 158 Steel
    Bolt Finish EXO Nickel Boron
    Caliber 223/5.56/300 Blackout
    Carrier Material 8620 Steel
    Carrier Finish EXO Nickel Boron
    Carrier Design Heavy Profile M16 Style
    High Pressure Tested High Pressure Tested (HPT)
    Mag Particle Inspected Mag Particle Inspected (MPI)

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