Faxon Firearms Bolt Carrier Group BCG Type 1 Nitrided Black. 62x39mm Bolt Carrier Group BCG is the perfect way to increase your speed and land on target. These Bolt Carrier Groups from the innovators at Faxon Firearms are O-ring sealed to prevent dirt debris and water from ruining your shot. Fully auto compatible the Faxon Firearms 7.62x39 Type 1 Bolt Carrier Group BCG easily fits onto your favorite firearm for hours of shooting. Reduce friction and increase the smoothness of your operation with this aftermarket accessory. Get superior corrosion resistance with the uniquely designed Faxon Firearms 7.62x39 Nitrided Bolt Carrier Group BCG. Specifications for Faxon Firearms 7.62x39 Bolt Carrier Group Type: Manufacturer: Faxon Firearms Color: Black Finish: Black Nitride Fabric/Material: 9310 Steel Caliber: 7.62x39mm Hand: Ambidextrous Condition: New Gun Type: Rifle Features of Faxon Firearms 7.62x39mm Bolt Carrier Group BCG 11I-ABA-RHS 9310 Tool Steel Bolt 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 Salt Bath Nitrided Bolt Carrier S7 Extractor Superfinished Carrier Body Full Auto Compatible Forward Assist Serrations Package Contents: Faxon Firearms 7.62x39 Bolt Carrier Group (BCG) Type 1 Faxon Firearms FF76239GBCGCNITRIDE: 7.62x39 Bolt Carrier Group BCG Type 1 Nitrided Black