FosTecH Complete Bolt Carrier Group (Nickel Boron)

$166.00 $150.00

SKU: FosNBBCG Category:
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Description

This is a standard full-auto M16 cut bolt carrier group. It is designed to function with the Echo AR-II and the Echo Sport.

 

Bolt Assembly 

Bolt: Shot Peened; Magnetic Particle

Inspected and Marked

Bolt Material:  Alloy 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: NICKLE 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: NICKLE BORON

 

Cam Pin: 

Material: 4140 Steel

Finish: NICKLE BORON

 

Firing Pin

Material: 8740 Steel; Centerless ground; Hard Chrome Plated

Weight: 11.6 Ounces

100% USA Made

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