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.
Specifications
- Brand: Fail Zero
- Manufacturer Part #: EXO-BOLTASSEMBLY01
- UPC: 881314861873
- Type: Bolt Action







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