Faxon 5.56 / 300 BLK Gunner Lightweight Bolt Carrier Group – Black Nitride

Faxon 5.56 / 300 BLK Gunner Lightweight Bolt Carrier Group – Black Nitride

$249.99 $199.99

Faxon 5.56/300 BLK Gunner Light Weight Bolt Carrier Group – Complete – Nitride
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Availability: In stock SKU: FAX556BCGCNITRIDE-LW


Faxon GUNNER Lightweight Bolt Carrier Group

The Faxon GUNNER Lightweight Bolt Carrier Group in black nitride weighs in at 8.5 oz including the bolt, or just 6.24 oz with just carrier and key. Due to this design, there is an estimated 3.5 oz reduction in weight. In addition to this, there’s no compromise in strength or function. The Faxon GUNNER Lightweight Bolt Carrier Group uses MIL-SPEC materials and finishes. Another feature is that the BCG?includes forward assist serrations. Also, it?is compatible with ejection port covers. What’s more, the Faxon GUNNER Lightweight Bolt Carrier Group maintains full-auto trip sear for full auto functionality. Lastly, it looks awesome!

Lightweight AR15 builds are becoming ever so popular. Because of this, Faxon takes it home with this awesome looking, flawlessly functioning lightweight bolt carrier group. Nice!

Most of all, Arm or Ally is proud to team up with Faxon!  Since they offer a great product without the extra costs, you will be receiving a great value.  Furthermore, be sure to check out our Bolt Carrier Groups, and upper receivers.  In addition to these parts, Arm or Allyoffers a fine selection of?handguards to compliment your Faxon barrel. Another interesting offering are the handguard combos.

Detailed Specifications

  • 9310 Tool Steel Construction
  • Full MIL-SPEC Heat Treatment
  • Shot Peened to MIL-SPEC
  • Magnetic Particle Inspection (MPI)
  • Back of Lugs Chamfered for Reliability
  • Spring, Insert, & “Crane” O-Ring Installed
  • QPQ -?Salt Bath Nitrided
  • S7 Tool Steel Construction
  • Fully Heat Treated
  • Shot Peened Per MIL-SPEC
  • QPQ -Salt Bath Nitrided
Carrier & Key:
  • Superfinished Carrier
  • Carrier: MIL-SPEC 8620 Steel Material
  • Key: 4140 Steel Material
  • Fully Heat Treated
  • Forward Assist Serrations
  • M16 (FULL-AUTO) Compatible
  • Grade 8 Fasteners
  • Fully & Properly Staked Key, Permatex Sealed
  • QPQ – Salt Bath Nitrided
  • Weight w/ Key (Not Bolt or any Pins): 6.32 Ounces
Cam Pin:
  • 4140 Pre-Hardended Steel Material
  • QPQ – Salt Bath Nitrided


Product Information

Manufacturer: Faxon Firearms
Weight: 8.5oz (including bolt)
Type: M16 | Full Auto
Finish: Black Nitride
MSRP: $249.99

Additional information

Weight10 oz
Dimensions12 × 4 × 1.5 in


Coating Type

Black Nitride

Part Type

Bolt Carrier Group, Upper Receiver Parts