Faxon 18" Socom Profile AR15 Barrel, 5.56 Nato, Nitrided

Faxon 18" Socom Profile AR15 Barrel, 5.56 Nato, Nitrided

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Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. 

Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges. 

  • Barrel Material: 4150 CMV
  • Barrel Type: Button Rifled 
  • Barrel Caliber: 5.56 NATO
  • Barrel Twist: 1:8
  • Barrel Length: 18"
  • Barrel Profile: Gov't/Socom
  • Barrel Gas System: Rifle Length
  • Inside Finish: Nitride
  • Outside Finish: Nitride
  • Muzzle Thread: 1/2-28
  • Gas Block Diameter: .750"
  • Gas Block Journal Length: 1.9"
  • Barrel Extension: M4
  • Weight: 1.86 lbs
  • Magnetic Particle Inspected!
  • 11-degree Target Crown

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.

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.

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  • Well weighted

    Posted by BCB82 on Aug 20th 2016

    Bought this barrel as a cost effective, but still quality, mid-priced barrel, based upon multiple reviews from various sources and the fact it was available at time of purhase.
    Cons: First trial run of 30 rounds of 5.56 brass M193-had a failure to feed. Measured gas port was .086". Drilled port to .093" and had No failures with brass, but still did not have enough gas to feed lower powered wolf ammo. Drill port to .10".
    Pros: Was pretty inherently accurate using multiple types of 55gr and 62gr 5.56 as well as .223 ammo from different Mfr's. Even though was too low powered to feed wolf it still grouped quite Better than my expectations.
    Having done more research, my barrel was one of many with too small of diameter gas port issues. Gas port was measured using high grade Fowler micrometer. I am a professional diesel mechanic and my knowledge of precicion measuring instruments and their use is a daily requirement for me.

    **FAXON NOTE - The gas ports were expanded to .092" effective August of 2015. If anyone has an issue, ever, please contact us!

  • Top of the line Barrel

    Posted by Ralph Bishop on Mar 8th 2016

    I bought this barrel , because of how excellent the quality was on the first barrel that I bought. Faxon makes the best barrel on the market. This is my second build and my friends are already asking where to buy all of their parts, Faxon will be hearing from them.

  • Socom 18"

    Posted by GBart on Mar 1st 2016

    I have purchased barrels from other manufacturers before, none even come close to this quality. this barrel could easily sell for 100$ more and still be a value!!


    Posted by Unknown on Jan 7th 2016

    Bought this barrel for a high end build. My first 18", rifle gas build. It has all the specs I look for when barrel shopping and at an affordable price, I was not disappointed. The fit and finish is of the highest quality. Zero in at 50 yards and rings a 4" gong all day long at 112 yards, that's as far as we can shoot at our home range. I know it will do a lot better with a better shooter than I am. Faxon will be my first choice for now on!!!

  • Purchased the 18" 556 socom

    Posted by kyle on Dec 4th 2015

    Haven't had the chance to shoot it yet but the fit and finish is perfect. Hard to beat price for such a nice barrel. I also bought the handguard which fits great and really looks amazing.

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