FailZero EXO Nickel Boron Bolt

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Your Price: $83.95
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Part Number:RRFZEXO-BOLTASSEMBLY01
The FailZero Nickel Boron (NiB) coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 bolt carriers. The special EXO Nickel Boron coating provides a permanent dry lubricity
*Does NOT include Bolt Carrier*

Nickel Boron treated parts include:
  • EXO Coated Bolt - Case Hardened, Shot Peened and MPI (Magnetic Particle Inspected)
  • EXO Coated Extractor (fully assembled)
  • All other components are Mil-Spec

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