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
- 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!
22 Reviews Hide Reviews Show Reviews
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Great product
These are a great value and a good product. Then there bundles with a gas tube make it a even better deal.
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Gas block seems ok
I opted to have a gas tube installed on gas block, seemed awesome to get a free tube and installation for $2. Problem is the gas tube has a bend in it that is obvious as soon as you pick it up. No way that's lining up the way it's supposed to. Not sure why it was sent like that, should have been caught before it was sent out, the packaging was fine when it arrived, it didn't get damaged in shipping. Took the tube off the GB and you can see it's bent. Bummed that I'm having to wait for a new gas tube to arrive instead of finishing my build. GB seems to be quality like other big name companies I've used before, nice and snug on the barrel, as of now I see no issues with it.
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Gas block
The .750 gas block that I ordered fit and finish was excellent. Tight fit around the gas journal. I read some comments that it was loose around the gas journal, however this depends on the barrel it self. For me and my build it fit tight around my aim sports 16” hybrid barrel. Tuned right, it runs perfectly, no issues. Will purchase again for next build.
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Gas Block and Tube
I'm not much for doing reviews, but Breek Arms deserves this one. They went above and beyond for a .875 low pro gas block that wasn't available on the web site but did come up with one. This was a very important part of my build before a competition only 2 days later. You guys impressed me with the speed and the shipping container protected it perfectly! 5 ☆ service!!
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Works for me
Affordable and great quality.
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LOW PROFILE .750 SET SCREW STEEL GAS BLOCK BLACK
To loose on barrel. Leaking gas from everywhere
