Faxon Firearms 9310 Bolt Only Complete w/ Extractor & Ejector Nitride

Faxon Firearms 9310 Bolt Only Complete w/ Extractor & Ejector Nitride. 56/300 Bolt. Faxon Firearms machined these Bolt Carrier Groups from 9310 tool steel with an S7 tool steel extractor for maximum durability. The Faxon Firearms AR-15 5.56/300 Nitrided Bolt is resistant to corrosion keeping the elements at bay to provide several years of use. Upgrade your rifle with this Faxon Firearms AR15 MIL-SPEC 5.56/300 Bolt to boost its reliability and cycling with every pull of the trigger. Specifications for Faxon Firearms AR-15 5.56/300 Bolt: Manufacturer: Faxon Firearms Color: Black Finish: Nitride Fabric/Material: 9310 Tool Steel Construction/S7 Tool Steel Construction Cartridge: 5.56x45mm NATO Gun Model: AR-15 Additional Features: Bolt Only Condition: New Bolt Material: 9310 Steel Features: 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 Extractor: S7 Tool Steel Construction Fully Heat Treated Shot Peened Per MIL-SPEC QPQ – Salt Bath Nitrided Package Contents: Faxon Firearms AR-15 5.56/300 Bolt Faxon Firearms 9310 Bolt Only Complete w/ Extractor & Ejector Nitride Faxon Firearms 9310 Bolt Only Complete w/ Extractor & Ejector Nitride