FailZero Part Bolt Assembly, Nickel - EXO-BOLTASSEMBLY01
FailZero Part Bolt Assembly, Nickel - EXO-BOLTASSEMBLY01, This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR-15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity, increased wear and corrosion resistance. By reducing friction this bolt assembly will make for easy cleanup and improve the performance of your rifle.Features:Nickel boron treatedExtreme durabilityDry lubricityCorrosion resistant