Low Profile .750 Set Screw Steel Gas Block Black Nitride with FREE Gas Tube

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Breek Arms Low Profile Set Screw style Gas Blocks for the AR-15 or AR-10 (LR308) are machined with high quality steel and nitrided. The low profile gas block design allows you to mount it underneath any free float hand-guard slim or regular sized. It is not milled out so there is a solid uniform surface that will not collect dust and dirt. Standard barrel diameter is 0.750, but there are several other sizes that will work with other barrel diameters, find the right size for your custom barrel!

  • Works with either an AR-10 (LR308) or any AR-15 with appropriate diameter barrel.
  • Fits Standard Barrel diameters of .750 inches
  • Includes Roll Pins & Allen Wrenches
  • Knurled Set Screws
  • Set Screw Spacing: .410"
  • Weight: 1.5 oz
  • Recommended Torque: 20-25 in-lbs
  • Can add on a Gas Tube of Your Choice (Pistol, Carbine, Mid-Length, or Rifle), and have it assembled before shipment
  • Made in the USA

Don't trust it? Easy, check out our Warranty & Refund Policy. You'll find that if at anytime the charging handle breaks or fails, we will replace it at no cost or give you a full refund for the lifetime of the product!

11 Reviews Hide Reviews Show Reviews

  • 5
    Works great.

    Posted by Taoso Tevaga on Oct 11th 2021

    Installed this in a week ago. Ran only 300 rounds so far. Didn't have any issues with it at all.

  • 5
    Prebuilt Gas Block & Melonited Tube

    Posted by wolf_pack1998 on Aug 13th 2021

    I bought 2. Paid a few extra bucks to have them pre-built. This is the worst part of assembly…for me. They did great work and took great care in packaging them both. Excellent value and saved me a little time.

  • 5
    Fit like a glove

    Posted by Orlando Rivera on Jul 8th 2021

    Install was very easy, have not to my rifle to range yet. That will next i give update on that

  • 5
    Gas Blocks and tubes

    Posted by Steve J on Apr 20th 2021

    Breek has been my "go to" for their gas blocks and tubes for a while now. The fact they offer them assembled is really cool! Great price and quality.

  • 5
    .750 gas block

    Posted by Richard OMalley on Mar 31st 2021

    Nice fit and finish can’t wait to finish up the uppers. Breeks rocks

  • 5
    Easy as pie

    Posted by Adam Barkley on Feb 4th 2021

    Pre-assembled gas block and tube lined up perfectly and was very simple to install. I will definitely buy again for my next build!