Fail Zero 556 NATO Nickel Boron BCG

On Sale
  • Fail Zero Nickel Boron Bolt Carrier Group /  223 / 300 Blackout M16 BCG
  • FailZero BCG Nickel Boron (nib/exo) 556 M16 Profile - for sale
MSRP: $159.99
Now: $124.99
Was: $149.99
— You save $35.00


Free Shipping on all Fail Zero Bolt Carrier Groups!

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.

Also see our Toolcraft Nickel Boron BCG.

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

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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