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; 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 treated
- Extreme durability
- Dry lubricity
- Corrosion resistant
- Main Category: Parts
- Subcategory: Bolt
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