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Faxon Firearms Ultra Low-Profile Gas Block
As Low As $29.99 Save Up to 34%
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Most Helpful Positive Review Maybe the best SS gas block around
At first glance this looks like every other gas block around. It is not- it's way better for a number of reasons. First, the side cutout reduces not only weight but friction when you are installing it, esp if you have a tight fit to the barrel. Second, it has three set screws, which I really like. T...
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Most Helpful Negative Review Out of spec
I could not install it out of box. Internal diameter was 0.748. I had to remove extra 0.002 and polish it to fit to the barrel. I was using Faxon barrel in my AR build. So, It is very odd when Faxon gas block does not fit Faxon barrel.
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Fit snug as a bug

by ElectroRon, Verified Owner from AL, United States Written on December 30, 2025
This thing not only hugs my barrel like it owes it money, but it looks good while doing it
Pros:
  • Mixed the gas go whoosh
Cons:
  • None
Best Used for:
  • Whooshing gases
Would recommend: Yes
Was it helpful to you? Yes | No

outstanding

by Long Dong Jimmy JAMZ, Verified Owner from VA, United States Written on September 19, 2025
Mounts into position and holds securely. It is a full port gas block. Works as it should. I wouldn't use it on a suppressed setup.
Pros:
  • will work with any setup
Cons:
  • suppressed setup will be over gassed
Best Used for:
  • Non suppressed AR builds
Would recommend: Yes
Was it helpful to you? Yes | No

nice gas block

by Joshua, Verified Owner from GA, United States Written on September 11, 2024
Runs great with my 7.5 in Faxon barrel and Faxon gas tube. I had issues with other gas blocks and not cycling subs being under gassed. Switched everything to make Faxon 1:5T barrel and included a lightweight BCG by Faxon and everything is good to go.
Would recommend: Yes
1 of 1 found the following review helpful.
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Perfect for me

by BC, Verified Owner from NY, United States Written on May 28, 2024
This gas block lines up perfectly with my Faxon barrel and Aero Precision gas tube. Easy to install. I’ve read reviews from people who said it cracked when they tightened the screws and I’m not sure how that’s even possible. Highly recommend.
Would recommend: Yes
Was it helpful to you? Yes | No

Faxon gas block

by Ben, Verified Owner from VA, United States Written on May 27, 2024
This gas block is machined perfectly and runs flawlessly. I would recommend it with any Faxon barrel.
Would recommend: Yes
Was it helpful to you? Yes | No

It does what it’s supposed to.

by Drew, Verified Owner from UT, United States Written on April 11, 2024
No issues with fitment with the barrel and gas tube. The design gives it a unique look to as well which is why I bought it. This is the fourth one.
Would recommend: Yes
Was it helpful to you? Yes | No

Great Gas Block

by Rick, Verified Owner from MO, United States Written on April 2, 2024
This is a really well finished gas block. The fit is really nice as there is no wabble. The three set screws make for a tight fit.
I`m really happy with this buy.
Pros:
  • Great fit and finish
Cons:
  • None
Best Used for:
  • New build
Would recommend: Yes
Was it helpful to you? Yes | No

great gas block

by jk, Verified Owner from TX, United States Written on March 31, 2024
Fitting and the looks great.
I’m using it on the aero precision 16” barrel and the gas block mount was easy and with three mounting set screws it definitely secured on the barrel.
Would recommend: Yes
Was it helpful to you? Yes | No

Simple gas block

by Bmcdaniel1371, from TX, United States Written on December 20, 2023
Gas blocked arrived well packaged and very quickly. I have not installed it yet but there seems to be no damage or scratches.
Pros:
  • fast shipping
Cons:
  • I haven't had time to install it yet
Would recommend: Yes
Was it helpful to you? Yes | No

my go to non adjustable gas block

by dan, Verified Owner from TX, United States Written on February 5, 2023
These gas blocks just plain work and they look pretty good too! I generally use faxon or ballistic advantage barrels because they are always gassed just right where all you need to do is tune with the spring instead.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No
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