From rifles to handguns, FailZero has turned cutting edge technology into one of the best weapon upgrades on the planet! UCT Coatings' patented EXO technology is DoD tested, approved and guaranteed to improve the performance and realiability of your firearms even in the harshest of environments.
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 permanents dry lubricity, extreme durability, increase wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.
Nickel Boron treated parts include: