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

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

Fostech
SKU:
WW6229
|
UPC:
639266300069
$183.52
$245.99
(You save $62.47 )
Current Stock:

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

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