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Faxon GUNNER Light Weight Bolt Carrier Group - Complete - Nitride

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Rating:
Price:
$249.00
SKU:
FF556BCGCNITRIDE-LW
  • Product Description

    When looking at lightweight bolt carrier groups, we were unsatisfied with what the market had to offer. Seeing a capability gap, we set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function. We set specifications that would allow no compromise:

    1. Lightest Weight Possible (8.5 Ounces Complete, 6.24 Ounces Carrier & Key Only)
    2. MIL-SPEC Materials & Finishes or Better!
    3. Forward Assist Serrations
    4. Compatible with Dust Covers
    5. Maintains Full-Auto Trip Sear for full-auto and the new multi-stage trigger functionality
    6. Looks Amazing

     

    Matching our barrels, we selected the QPQ method of Salt Bath Nitride for all the carriers components. By coating all parts, the carrier's natural slickness is increased markedly requiring less gas and pressure to operate. Further, the QPQ SBN process seals components against corrosion while making them fantastically wear resistant. 

    Improvements include using 9310 tool steel for the bolt, which is stronger and nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance compared to typical chrome and phosphasted bolt carrier groups. All bolts are fully MPI tested to ensure the material is sound and without defects. Bolt lugs are chamfered 45 degrees to ensure reliable action for even the highest pressure hand loads and fast lightweight actions. 

    Faxon Bolt Carrier Groups are Superfinished to reduce friction, increase smoothness of operation, and reduce fouling. Further, they are full-Auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. Gas keys use grade 8 fasteners and are fully staked for a lifetime of service. 

    As a testament of our confidence, the carriers are all laser-engraved with the Faxon Shield after passing all Quality inspections. 

    Detailed Specifications:

    Bolt:

    • 9310 Tool Steel Construction (Stronger than C158)
    • 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

     

    Extractor:

    • 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 Reviews

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    1. Very good finishing, performance

      I have the Faxon Gunner BCG in a precision AR build. The low mass of the BCG, combined with an adjustable gas system and suppressor, make recoil minimal. Its very easy to stay on target for rapid follow up shots. I have not experienced any sort of failure with this AR-15 so far. The BCG is very well designed and machined. Faxon has removed material in just about every imaginable area to save weight while maintaining function. The nitride coating makes cleaning very easy. I would definitely buy another one if I was assembling a new precision AR. on 5th Dec 2016

    2. #Blacknitridematters

      Product Fit and Finish is excellent. The carrier is incredibly light and the Nitride treatment is consistent. Pair this BCG with an adjustable gas block and be amazed at the recoil mitigation.

      Faxon has great customer service and fast shipping.

      Would buy again.
      on 15th Nov 2016

    3. My second one

      I have this BCG in a light weight ar I built. I was not sure about using aluminum or Titanium. When my buddy told me about this one I jumped on it.

      My ar came in at exactly 5lbs. And I was happy about that. But was worried that my reliability would suffer or at least take a while to get dialed in.

      I have shot a few thousand rounds through it and from day one have had not a single issue.

      I ordered another one without any reservations. You won't regret it either.
      on 11th Oct 2016

    4. what a great carrier.

      These are some of the best BCG on the market. This runs on par (in terms of weight) as the titanium ones at half the cost. However, this is by no means a cheap (price wise) BCG.

      The fit and finish is top notch. All the machines parts are smooth without burrs. Nitride coating is even with no hot spots.

      I like the fact that faxon lists very specific details about their BCG such as the 9310 tool steel used on the bolt assembly. For those who don't know, that's the same material used in the gears of F1 race cars.

      I have this BCG paired with a JP silent capture spring system using the lightest spring (white). It cycles without a problem. I cannot speak for those who are using standard buffer tubes / springs. I advise anyone who is considering this to look into adjustable gas blocks to tune your gas system. I ran this BCG without an adjustable gas system on my 14.5" mid length but with the JP silent capture. No cycling issues at all.

      Who is this BCG for?
      1. It's for those who are looking for ultralight parts to build an ultra light AR15. My 14.5" AR15 is at 4lb 11oz with a trijicon MRO. Yes.
      2. Those who generally want top quality parts and money is not a concern.
      3. Those who have too much money.
      on 30th Sep 2016

    5. Its a Faxon & another homerun!

      When I first found out about Faxon and started trying their products I was instantly impressed with the not only quality but, the thought that goes into the items they make. The lightweight rifle build scene is huge right now, and as someone who has always looked to cut as much weight as possible without sacrificing function of my rifles, Faxon's provided a lot of that ability with their products. When I first started looking into a lightweight BCG, of course cutting weight and reciprocating mass was my main want and their were a few available that did that. Tried Spikes, AP, some of the original Houlding lightweight (probably my favorite) BCGs and all did what I was looking for but, I couldn't figure out why anyone hadn't come out with at least one with forward assist serrations? And then came the Faxon Gunner lightweight BCG. My problems with a lightweight BCG that I use while hunting, sometimes needing to slowly and quietly chamber a round were solved. On top of being one of, if not the lightest complete BCGs around, Faxon checked off that forward assist serration box, and as usual made a product that's just a step above the rest. Love it, very very slick QPQ coating, awesome fit and everything else I've come to expect from a Faxon product! on 10th Aug 2016

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