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FosTech Complete LOW MASS Bolt Carrier Group – Nickel Boron | Echo Trigger Compatible

$187.99

Low Mass Nickel Boron Bolt Assembly  Bolt: Shot Peened Magnetic Particle Inspected and Marked Bolt Material:  9310 Alloy Steel Compatibility: .223 / .556 / 300BLK Extractor: Shot Peened Hardened tool Steel Extractor 0-Ring: Viton, Mil-Spec Gas Rings (3): Mil-Spec Finish: NICKEL BORON 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 Finish: NICKEL BORON Cam Pin:  Material: 4140 Steel Finish: NICKEL BORON Firing Pin Material: 8740 Steel Centerless ground Hard Chrome Plated Weight: 8.5 Ounces 100% USA Made

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SKU: FT-6229 Categories: ,

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639266300069

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