by
Hoss,
Verified Owner
from AZ, United States
Written on December 10, 2025
I have not fully used this yet, but I have installed it and checked it out. The install is straight forward and swapping lever lengths is pretty simple. I also own a riflespeed gasblock setup on another upper and this is the next best thing IMO. Riflespeed is very nice, but the price point is much higher than this Seekins. The Seekins should have a similar end result for a better price. I will definitely buy more ofnthe Seekins if I need an adjustable GB again. The only thing I will warn against is if you are running a slim hanguard, getting it over the Seekins may be an issue. I barely got it over mine.
Pros:
- Quality
- Price point
- Manually adjustable
Cons:
- Slim Hangldguards may be an issue
Would recommend: Yes
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by
Dipped,
Verified Owner
from OH, United States
Written on January 17, 2025
Works great, this is my second one I have from OP, and easy to switch from any setting.
Would recommend: Yes
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Justin,
Verified Owner
from MN, United States
Written on October 31, 2024
Tried to install, but had to order a separate pin set. Very annoying but the "dry fit" seems like it will fit up as expected.
Would recommend: Yes
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by
jordie,
Verified Owner
from NC, United States
Written on October 30, 2023
I don’t know if someone sent me the wrong thing or what happened but I would not recommend getting this if you plan on adjusting your gas system out in the field easily. The one I was sad I had to change up my free flu and my gas system just to get this gas block to fit and to get it to work properly. I would have to pull out an Allen key to adjust instead of a thumb adjuster like advertised.
Would recommend: No
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by
David Kemp,
Verified Owner
from OR, United States
Written on October 21, 2021
I put this on a 6.5 Grendel build and was pleased. I tuned for cheap Wolf ammo initially and had a fun time with the gun. Then I got ambitious and ordered some 130 grain reloads to see if they would be destructive enough for a deer hunt. With the handguard off, the adjustment took less than 5 minutes to achieve repeatable ejections with the heavier loads. Only an allan wrench is needed.
Took down a 4/4 point whitetail in one shot with the gun this year. The gun’s accuracy and ability to cycle 130 grain rounds is owed to the gas block. It’s very good.
Pros:
- Adjustable
- Quick & easy to use
Would recommend: Yes
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by
Adam,
from PA, United States
Written on August 23, 2020
Seekins are fantastic and make an amazing product. You can't go wrong with the Select Adjustable Gas Block! The ease of adjustment and precise setting make tuning your AR rifle super easy! It is the gas block I prefer most.
Would recommend: Yes
2 of 4 found the following review helpful.
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I run this on all my gas guns. .308 16" AR10, ar pistols, 7,62x39mm ar pistol. Makes my life a lot easier just tuning it once, and setting it for good. Now i can switch from suppressed settings to un suppressed settings without ever needing allen keys. My only complaint is i wish it was cheaper.
Pros:
- Ease of use
- reliability
- suppressor use
Best Used for:
- Suppressed rifles
- using different loads in an ar10
Would recommend: Yes
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by
TT,
Verified Owner
from NV, United States
Written on July 1, 2019
Excellent choice for running subs and supers through the same gun without having to grab your Allen wrench. Comes with a short lever for under the hand guard positioning. Allows for precise tuning with Allen wrench and quick adjustments with lever. My only complaint is that the lever is very stiff, almost impossible to move with the short lever. I do believe it will loosen with more use. The longer lever won’t fit under my hand guard but that is much easy to flip from side to side. Allows for about 5 detents of adjustments without an Allen wrench, once the lever is locked in place. Have is on my 300blk pistol that I run a suppressor under the hand guard.
Would recommend: Yes
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