• Ultra lightweight design - the complete group weights at only 8.5 oz
  • Better than Mil-Spec materials and finishes
  • All components are Nitride coated
  • 45-degree chamfered bolt lugs - ensure reliable fast lightweight action
  • Heat treated, shot peened and Magnetic Particle Inspected (MPI)
  • Fully & Properly Staked Key, Permatex Sealed
  • Full-auto and multi-stage trigger compatible
  • Made in the U.S.A.


  • Caliber: 5.56 NATO / .223 Rem. / 300BLK
  • Weight:
    • Bolt Carrier Only: 6.24 oz.
    • Complete Group: 8.5 oz.
  • Finish: QPQ Nitride
  • Material:
    • Carrier: 8620 Steel
    • Gas Key: 4140 Steel
    • Extractor: S7 Steel
    • Cam Pin: 4140 Pre-Hardended Steel
    • Bolt: 9310 Steel
  • Profile: Lightweight


  • AR-15


  • 1x Bolt Assembly
  • 1x Extractor
  • 1x Cam Pin
  • 1x Faxon GUNNER Lightweight Bolt Carrier
  • 1x Gas Key
  • 2x Gas Key Screws
  • 1x Firing Pin
  • 1x Firing Pin Retaining Pin


When you want a lightweight bolt carrier group, there are a lot of options on the market to choose from. When it’s time for you to choose you need to pick the best lightweight BCG for your build, one that suits your needs better than any other. Faxon Firearms recognized the shortcomings that frequently surface when you’re looking for the perfect lightweight BCG and took it upon themselves to handle as many of them as possible in one fell swoop. The result is the Faxon GUNNER Lightweight Bolt Carrier Group.

No Holes in the Faxon Game

The designers at Faxon outlined a set of issues that they saw in the light bolt carrier groups available on the market. They went to the drawing board with those shortcomings in mind and created the GUNNER Lightweight Bolt Carrier Group. The Gunner design and execution fill in the chinks in the light BCG armor to bring to market an option for those who really want more from their BCG. The GUNNER features forward assist serrations, extreme lightweight while maintaining quality and durability. It’s compatible with dustcovers, so it isn’t just a lapdog, it can go out and work. Faxon's QPQ bolt carrier group matches the finishes you’ll find on Faxon’s barrels. QPQ finishes assure that the operator can actually take this one out in the real world without fearing for its life.

This one is rock solid, inside and out. The Bolt is 9310 tool steel finished with a clean nitride coat for a tough surface with its own native lubricity. Faxon’s finishes are carefully selected to provide excellent resistance to corrosion and fouling. A 45-degree chamfer on the bolt lugs keeps them failure free even if it’s loaded up to greater pressure than the competition can handle. Magnetic particle inspection gives you the peace of mind you count on. Even the gas keys use grade 8 fasteners and are well-staked to give you a great worry-free service life.

Faxon Quality Right Down to The Logo

Faxon has poured the heart and soul of their company into the GUNNER BCG and they want you to know they’re proud of it. Every bit of this BCG is made of the finest materials available, treated to improve the inherent properties of the metals and tested to assure flawless performance. This QPQ bolt carrier group then undergoes exhaustive testing and inspection make sure it’s worthy before each carrier is laser-engraved with the Faxon Shield and packaged for sale.

Have a question?

Ask an Expert