Faxon Gunner Lightweight 5.56 AR-15 Bolt Carrier Group - Chameleon PVD

Faxon Firearms set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function.

Key features

• Lightest weight possible: 8.5 oz complete
• MIL-SPEC materials and finishes (or better)
• Forward assist serrations
• Compatible with dust covers
• Maintains full-auto trip for full-auto fire control groups and multi-stage trigger functionality
• Superfinished for reduced friction, increased smoothness of operation, and reduced fouling

Coating / heat treat

• QPQ salt bath nitrided on the carrier’s components (increases slickness, requires less gas/pressure to operate, improves corrosion resistance and wear resistance)
• Bolt uses 9310 tool steel, QPQ salt bath nitrided
• Bolts are MPI tested
• Bolt lugs are 45° chamfered for reliable action
• Gas keys use grade 8 fasteners and are fully staked

Detailed materials

• Bolt: 9310 tool steel construction; full MIL-SPEC heat treatment; shot peened to MIL-SPEC; MPI; back of lugs chamfered; spring, insert, and Crane O-ring installed; QPQ salt bath nitrided
• Extractor: S7 tool steel construction; fully heat treated; shot peened per MIL-SPEC; QPQ salt bath nitrided
• Carrier & key: carrier MIL-SPEC 8620 steel; key 4140 steel; fully heat treated; QPQ salt bath nitrided

Finish options

This listing variant is Nitride Chameleon PVD.