FosTecH Complete LOW MASS Bolt Carrier Group (Nickel Boron)
FosTecH Complete LOW MASS Bolt Carrier Group (Nickel Boron)
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FosTecH Complete LOW MASS Bolt Carrier Group (Nickel Boron)

Original price was: $245.99.Current price is: $179.99.

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

In stock

SKU: 6229 Categories: , , ,

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.

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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