You can now choose your own B.C.G., Charge Handle, and Muzzle Device option for each of our Upper Assemblies!

Premium Nitride 5.56 Bolt Carrier Group w/ Enhanced Angle Cut

Regular price $129.99 $89.99 Sale

  • Complete M16 bolt carrier group assembly
  • The QPQ nitride/melonite treatment hardends the surface to 70 RC and reduces friction as well as adding corrosion resistance inside and out
  • Superior to chrome lined and parkerized bolt carrier groups
  • MPI tested and marked. 9310 bolt nitride/melonite treated with additional cryo freeze for extra strength
  • Requires very little lubrication and has a very slick surface
  • Corrosion resistance inside and out
  • Side staked gas key with grade 8 fasteners