Faxon Firearms 6.5 Grendel 9310 Bolt Carrier Group Complete - Nitride - FF65GBCGCNITRIDE

Bolt:

• Type II (.136″) 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