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FosTech Complete LOW MASS Bolt Carrier Group (Nickel Boron)

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Our Price: $245.00
We currently have 8 available.
Item Number: URPFOSBCG6229
Manufacturer: Fostech
Manufacturer Part No: 6229

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.

Full Profile M16 Bolt Carrier Group — 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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