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U.S. Arms Nickel Boron M16 Full Auto Rated Bolt Carrier Group

$229.99

Overview

Our U.S. Arms Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers.  All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.  The nickel boron helps friction and improve the overall performance of your rifle.

 

Specifications

Bolt Material

Carpenter 158 Steel

Coating

Nickel Boron

Carrier Material

9310 Steel

Weight

11oz

Platform

AR-15

Product Benefits

  • Carrier has forward assist serrations
  • Shrouded firing pin
  • Nickel Boron Coating inside and out
  • Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked.
  • 5.56 Bolt is shot Peened and MPI