FailZero Semi-Auto AR-15 Bolt Carrier Group finished in EXO Nickel Boron technology for permanent dry lubricity, extreme durability, and increased wear and corrosion resistance. This AR BCG comes completely assembled and ready to drop-in and upgrade your current Mil-Spec AR rifle or finish your home AR rifle build right. The patented Nickel Boron coating improves overall performance of your rifle by reducing friction and allowing smooth chambering of each round.
Part Number: FZNIBG-NIB
Out of Stock.