FailZero Part Bolt Assembly, Nickel EXO-BOLTASSEMBLY01
- Nickel Boron treated
- Extreme durability
- Dry lubricity
- Corrosion resistant
Product Description:
This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15 M16 M4 Carriers. EXO Nickel Boron provides permanent dry lubricity