.750" Ultra Low-Profile Gas Block - Three Set Screws

.750" Ultra Low-Profile Gas Block - Three Set Screws

(43 reviews) Write a Review

Perfect for any rail system, these ultra-low profile gas blocks are the ideal companion for Faxon Firearms (or any other) barrels with a standard  diameter gas journal. Made from high-strength steel, all our gas blocks are a matching black luster to our barrels. 

For lightweight builds, the block is drilled through the middle of the profile. The gas block clamps on to the barrel using 3 Allen keys on the bottom of the block. 

*Faxon Firearms highly recommends the use of Loc-Tite or similar thread-locking compounds. Gas blocks will get very hot, so pick a compound according to your intended use of the firearm. 

Specifications (.750"):

  • Barrel Compatibility: .750"
  • Weight: .07 Lbs
  • Width: 1.00"
  • Height: ~1 & 7/32" 
  • Mounting: 3x Screws (Allen Key interface)

Gas block does not include the gas tube roll pin. Faxon includes gas tube roll pins with gas tubes. 

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.

43 Reviews Hide Reviews Show Reviews

  • Light and easy to install

    Posted by Owen Stevens on Jun 30th 2017

    Used these on three builds so far and the work like a charm.

  • perfect fit

    Posted by RP on Mar 15th 2017

    Easy to install and fits perfect. Second to none

  • Light and secure gas block!

    Posted by Rohan Brown on Feb 20th 2017

    I now own three barrels with this gas block from Faxon, I've put many rounds through them with no issues or failures. Great fit and light weight product that does exactly what it's suppose to do.

  • Can't complain about this gas block

    Posted by Brad on Feb 16th 2017

    Great fit and finish, looks awesome. I will say it is a very tight fit on the Faxon Socom profile barrel I ordered it with. It was a bit of a pain getting it installed, but hopefully since it is such a tight fit it will be less prone to loosening up over time. I'll post an updated review after I send some down range.

  • This is a gas block for a great barrel

    Posted by Dave M. on Jan 27th 2017

    If you want to show off your barrel, this block is for you. The lightening cutout on the side lets the barrel come through and the Melonite finish matches perfectly with high end barrel coatings. No issues at all with fitting the gas tube, or fitting the block to the barrel. All in all, it does as expected with some extra zazz.

  • Faxon Kicks Ass

    Posted by James Yeager MFCEO Tactical Response on Nov 28th 2016

    I have used MANY of their barrels in 5.56, 300bo and 308. THEY ARE ALL AWESOME!

  • 750 lopro gas block

    Posted by Unknown on Oct 4th 2016

    This is a very nice gas block. I wish they would have dimpled the barrel that I ordered with it. I don't like running a set screw gas block without dimpling the barrel.
    The gas block is flawless though.

  • Faxon Gas Blocks a Winner

    Posted by Unknown on Sep 30th 2016

    I bought this Faxon Gas Block and tube to go on my new Faxon 16" 300 Blackout Barrel. I loved the fact that Faxon went the xtra mile to use a Three(3) screw system on the block to firmly secure it to the barrel, adding a little blue Loctite on the screws to insure against possible failure. Eliminating the need to dimple the barrel really appealed to me as I hate modifying any barrel by removing the nitride finish in the process, causing an immediate place for rust to form. There was a slight invisible burr on inside of block preventing easy install, which I quickly removed simply using some Scotch Brite, which now allowed the block to slip right on. Installation of gas block and tube was a snap. From the barrel to the block, you get quality parts when you deal with Faxon. I look fwd to my next purchase from them. I will be all eyes on their website this coming Black Friday, for sure.

  • excellent gas block

    Posted by mark on Sep 7th 2016

    Fit and finish are very good

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