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Fostech Complete Bolt Carrier Group (Black Nitride Coating)

$169.99

FOSTECH COMPLETE BOLT CARRIER GROUP (BLACK NITRIDE COATING)

UPC: 639266299677 SKU: 6226 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. 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; Centerless Ground; Hard Chrome Plated
  • Weight: 11.6 Ounces

100% USA Made