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FosTech

FosTech FOSTECH COMPL BCG BLK NITRIDE COAT

Product Code : 639266299677

Mfg Item #: 6226

Bolt Assembly Bolt: Shot Peened Magnetic Particle Inspected and Marked Bolt Material: 9310 Alloy Steel Compatibility: .223 / 5,56 / 300BLK Extractor: Shot Peened Hardened Tool Steel Extractor O-Ring: Viton, Mil-Spec Gas Rings (3): Mil-Spec Finish: BLACK NITRIDE Bolt Carrier Material: 8620 Steel Design: Heavy Profile M16 Style (Preferred for most AR-15 Builds) Gas Key Screws: Grade 8 Properly Torqued and Staked to Mil-Spec Gas Key Material: 4130 Steel Finish: BLACK NITRIDE Cam Pin Material: 4140 Steel Finish: BLACK NITRIDE Firing Pin Material: 8740 Steel Centerless Ground Hard Chrome Plated Weight: 11.6 Ounces 100% USA Made

FrameSteel
CasingBlack
FinishBlack

Determined at checkout.