FosTecH Complete Bolt Carrier Group (Black Nitride Coating)

$124.00 $120.00

SKU: FosBNBCG 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: 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; Centererless Ground; Hard Chrome Plated

Weight: 11.6 Ounces

 

100% USA Made

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