Faxon 5.56/300 BLK M16 Bolt Carrier Group - Complete - Nitride

Faxon 5.56/300 BLK M16 Bolt Carrier Group - Complete - Nitride

(10 reviews) Write a Review
$145.00
SKU:
FF556BCGCNITRIDE

We just can't help not accepting the status quo. Bolt carrier groups are available aplenty, but few could meet our exacting standards for performance and value. Seeing "MIL-SPEC" as just the starting point, we set out to ensure the best options are available for our demanding customers. 

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. 

Detailed Specifications Below:

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

 

Cam Pin: 

  • 4140 Pre-Hardended Steel Material
  • QPQ - Salt Bath Nitride

 

Note - Bolt carriers ordered and deployed with barrels not specifically checked by Faxon for headspacing MUST be checked to ensure safe and reliable function. Faxon recommends Pacific Tool & Gauge headspace kits for all measurements. For detailed instructions on headspacing, see our blog post for instructions. 

 

 

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

10 Reviews Hide Reviews Show Reviews

  • Faxon 5.56/300 BLK M16 Bolt Carrier Group - Complete - Nitride
    5

    Posted by Steve Fay on Sep 20th 2017

    Excellent product product, it is equal to all other out but there bar none.

  • Finish on this bolt is second to none.
    5

    Posted by StateTrooper on Jul 21st 2017

    I love this bolt and how perfectly smooth the coating is. Compared to my TiN bolt it isn't quite as wet or slippery but I know it won't get stained like that bolt will. Only used the bolt a little but it ran great surpressed even dry out of the box. I'm impressed!

  • Nice
    4

    Posted by michael smith on May 11th 2017

    I am in the process of building 2 Ars atm, I have purchased this BCG and comparing the fit and finish to a griffin armament BCG, they are very similar in fit and finish. The melonite finish is a little flat in color compared to the one pictured, it is not a gloss finished BCG. Will be firing this soon.

  • very slick great looking functions perfectly
    5

    Posted by Jon C on Apr 29th 2017

    I got this as a matching set with a 16" Gunner barrel, the machining quality is great, the finish is very slick and looks great, zero hiccups so far

  • Slick BCG
    5

    Posted by RP on Mar 15th 2017

    Very well machined and the qpq coating makes it a breeze to clean. Everything about this bcg is quality!

  • Solid beautiful BCG
    5

    Posted by Gerald Johnson on Mar 1st 2017

    I ordered this BCG because Faxon takes great pride in their products, The BCG was installed into my 3 gun competition AR with Faxon's 18 inch QPQ barrel. My first impression was that the QPQ nitrite finish was beautiful, their were no tool marks to be found. I proceeded to disassemble the BCG to apply a light oiling of the bolt rings and to do a general prep for the break in process, the bolt was also very well finished. Once reassembled I gauged the head space it was spot on so I applied a light oiling of the carrier and finished the install. Once at the range I ran 5 round intermediate speed round dispersion through 2 full 30 round magazines. Once the bcg had passed my intermediate testing I proceeded to put 600 rounds down range no failures at all. All rounds properly cycled and ejected. Following my 600 round test I followed up with the final test rapid mag dumps 400 rounds worth no failures. I then happily went home and cleaned my BCG and rifle and competed in a 3 gun competition in southern Colorado and took home some cash and still no failures. Needless to say I am very impressed with this BCG it runs perfect and I would recommend it to anyone. Great job Faxon.

  • Excellent choice
    4

    Posted by Mike on Feb 8th 2017

    Right out of the box..you can see the beautiful QPQ finish was perfect..not a flaw anywhere. Only gave it 4stars because I'm in the middle of my build. Which I also mated this BCG up with a 16 Gunner..it also was flawless. Can't wait to get my build done and shoot it.Updates will be coming in soon. Stay tuned.

  • Best Bang for your buck
    5

    Posted by Cory Fontenot on Dec 22nd 2016

    This complete BCG with their Nitride finish, works perfectly. It's properly staked, machined & coated. It came head spaced to the barrel I also ordered & performed perfectly at the range. The Nitride finish is durable & makes cleanup a BREEZE. Top Notch products, thanks again guys...

  • Excellent finish
    5

    Posted by Andrew on Dec 16th 2016

    The finish on this Bolt Carrier is fantastic. I have a hard time finding tool marks on it and the finish is nice and smooth to make it easy to clean. Having the bolt matched to the barrel is great and the laser engraving is top notch and deep so it can't wear off or anything like that

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