10.5" PENCIL, 5.56 NATO, Carbine-Length, 4150 QPQ

10.5" PENCIL, 5.56 NATO, Carbine-Length, 4150 QPQ

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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
  • Barrel Twist: 1:8
  • Barrel Length: 10.5"
  • Barrel Profile:  Pencil
  • Barrel Gas System: Carbine
  • Inside Finish: Nitride
  • Outside Finish: Nitride
  • Muzzle Thread: 1/2-28
  • Gas Block Diameter: .625" 
  • Gas Block Journal Length: 1.1"
  • Barrel Extension: M4 
  • Weight:  .9 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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  • Awesome

    Posted by Red John on Mar 8th 2019

    Lightweight, and great quality/finish.

  • A little update

    Posted by Rev. Philip Westerfield on Apr 28th 2018

    Well, I would like to give a little update on this barrel. I have been shooting it some and I have to say that the accuracy has gotten better. With the Hornady 55gr Gunner the average group is around 1" at 100 yards. I have shot some handloads with both 69gr. and 75gr. bullets and again they were about 1 moa. It opens up a little bit when hot, but we are taking about 2" groups. Not bad for a pencil weight 10.5" barrel with a 2.5X scope! I will say that the worst group that I have gotten was when new, with M193 and it was still a respectable 3" group at 100 yards. I'm impressed with the quality and accuracy of this barrel. Keep up the good work Faxon!

  • 10.5 pencil barrel

    Posted by Patrick Seiler on Nov 19th 2017

    Bought this for a build for my wife. Already put 100+ rounds through it. Tight groups. From 25 to 100 yards. So far great. I would recommend this barrel and this company. I have already ordered a 6.5 grendel barrel from here, will let you know how it goes.

  • 10.5" pencil is shooter

    Posted by Rev. Philip on Jun 7th 2017

    Let's get the bad out of the way first. It took the USPS 8 days to deliver the barrel. As I live an hour and half away from Faxon, that was frustrating! After I received the barrel I inspected it and it was machine and finished beautifully. I installed it and checked it out and it was perfect. I just got home from zeroing the BUIS and scope. With Federal Lake City XM193 it was shooting 3" groups at 100 yards. With Hornady American Gunner 55gr HP match it was shooting 2 1/2" groups and the best of the day was a 2" group! It was shooting on par with my 16" CHF barrel with a 1-6X scope. While This 10.5" SBR is wearing a 2.5X scope! This is my first Faxon barrel, but it won't be my last! I'm already planning on a build with the 18" Gunner barrel! I'm very happy with the quality and accuracy of this Faxon pencil weight 10.5" barrel. Keep up the great work!

  • 10.5" pencil

    Posted by Wiley Coyote on May 19th 2017

    lightest i could find. great product, well thought out, excellent quality, best customer service around. thank you nathan.

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