FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride - FZ-M16/4-01-NH-BLACK Review

About FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride - FZ-M16/4-01-NH-BLACK

Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero. The M16 Bolt Carrier Group 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. The carrier is finished with a black Teflon topcoat offering non-reflective properties. NOTE: Wear will expose the Nickel Boron coating beneath the black Teflon topcoat at points of contact such as ramps and rails. Non-wear areas, exposed during operation will remain black. Features: M16 cut carrier with anti-reflective black topcoat Magnetic particle inspected Live fire tested EXO Nickel Boron treated parts include: Bolt, extractor, bolt carrier, cam pin, carrier key, and firing pin

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