FailZero AR-15 Bolt Carrier Group w/ Hammer EXO Coated, Nickel - FZ-AR15-01-SAH
FailZero AR-15 Bolt Carrier Group w/ Hammer EXO Coated, Nickel - FZ-AR15-01-SAH, This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR-15 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.Features:Nickel boron treatedExtreme durabilityDry lubricityCorrosion resistant