Faxon 6.5 Grendel Type II Bolt Carrier Group- Nitride

  • $165.00


Detailed Specifications:

Bolt:

  • 9310 Tool Steel Construction (Stronger than C158)
  • Full MIL-SPEC Heat Treatment
  • Shot Peened to MIL-SPEC
  • Magnetic Particle Inspection (MPI)
  • Back of Lugs Chamfered for Reliability
  • Spring, Insert, & "Crane" O-Ring Installed
  • QPQ - Salt Bath Nitrided
  • .136'' Co-Bore Depth "Type II" Bolt

 

Extractor:

  • S7 Tool Steel Construction
  • Fully Heat Treated
  • Shot Peened Per MIL-SPEC
  • Black Oxide to Match Bolt

 

Carrier & Key:

  • Superfinished Carrier
  • Carrier: MIL-SPEC 8620 Steel Material
  • Key: 4140 Steel Material
  • Fully Heat Treated
  • Forward Assist Serrations
  • M16 (FULL-AUTO) Compatible
  • Grade 8 Fasteners
  • Fully & Properly Staked Key, Permatex Sealed
  • QPQ - Salt Bath Nitrided

 

Cam Pin: 

  • 4140 Pre-Hardended Steel Material
  • QPQ - Salt Bath Nitride

 

Note - Bolt carriers ordered and deployed with barrels not specifically checked by Faxon for headspacing MUST be checked to ensure safe and reliable function. Faxon recommends Pacific Tool & Gauge headspace kits for all measurements. For detailed instructions on headspacing, see our blog post for instructions. 


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