New Frontier Armory AR-15 .458 SOCOM Nitride Bolt Carrier Group USA Made Steel Black

New Frontier Armory
7-BCG458
BCG-458
7-BCG458
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A BCG for Your .458 SOCOM Build

Sometimes you just want to make a bigger hole and an AR in .458 SOCOM is what you want. Made from high strength materials then treated and tested to make sure it will stand up to the rugged use you plan to put it through New Frontier Armory has made this BCG to be want you need and what you want. Tested with MPI and HPT and a lifetime warranty with a key staked to Mil-Specs let you know it is ready for your torture test called life.

New Frontier Armory AR-15 Nitride Bolt Carrier Group Specifications and Features:

  • New Frontier Armory BCG-458
  • 8620 Steel Carrier
  • 4130 Steel Gas Key
  • 9310 Steel Bolt
  • Gas Key properly staked to MILSPEC
  • Salt Bath Nitride Finish
  • Forward Assist Serrations
  • Shot Peened
  • Magnetic Particle Inspected (MPI)
  • High Pressure Tested (HPT)
  • nitride Black Finish
  • Lifetime Warranty