Uct Coatings Inc. Fail Zero

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...

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...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent...

This FailZero Full Auto Rated Lightweight (Low Mass) Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO...

This low mass BCG provides smoother operation and less recoil resulting in faster target reacquisition for quicker follow-up rounds. This is critical in competition shooting and actual tactical...

This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated...