anybody recommend a good adjustable gas block? It will go on my 10.5in 223 wylde ar. Prefer to try to keep it under 80
Adjustable gas block?
- Thread starter 6brman
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I like the Syrac, no complaints and it clicks to confirm your closing or opening the gas port. If that made any sense
My wife thinks I only have 3 guns
My wife thinks I only have 3 guns
I've heard good things and seen a few Syrac blocks at the 3-gun matches, but they're around $100 I think. If you want to stay under $80 I'd second the Seekins suggestion. I don't think one gas block "performs" better than another more so than one may just be easier to clean, or adjust. I haven't played with a Seekins, but a friend of mine a few states away has one and it works well he says. I'm probably going to go Seekins for my next block.
Check out Superlative Arms gasblocks. A little more than your budget, but they do last longer and have less of the common issues.
http://www.brownells.com/rifle-part...mp-on-melonite-sku100020575-86816-187818.aspx
http://www.brownells.com/rifle-part...mp-on-melonite-sku100020575-86816-187818.aspx
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good Thread .I actually have to order a new Adj. block this week for finish of new suppressed build , reviews seem pretty positive of the newer superlative block/design .
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I have all JP blocks on my rifles. One thing to really think about is the handguard clearance before you buy. I actually had to mill out a couple of ribs in one of my handguards.
Just a heads up .... I have 2 SUperlatives and they work very well on my MK12 and AR10 ... but ....
If you are using a suppressor cover you will want to run the Superlative as a restriction (adjusted more to shut off gas) rather than as a vent. I found it out the hard way as the venting gas tore up the back end of 2 TAB Gear covers. Now for clarification, I am using Ops Inc suppressors that come back over the barrel a few inches, so the can sits closer to the gas block.
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Thanks I thought this thread would be helpful not just for me but others? I might have to up my budget and get an easier adjustable block. It will be under the handguards about 2 inches or so I think.
I thought Syrac went under? For anyone that likes Syrac, supposedly Superlative are very similar.
I have a few different kinds, a JP on my 308 precision AR, POF on my 10.5 SBR, Govnah on my 11.5. When I built my 7.5, and new i was going to want a adj gas block. After trying to figure out what $100+ one I wanted, I stumbled upon the JOE BOB adj gas block. It was about $25. I was really hesitant, but figured since the 7.5 was a range toy, why not. worse case I was out $25, best case, it works. Ordered it, got it, installed it. everything went normal. It even has a locking screw for the adjustment. Took it to the range, shot fine. Adjusted it and it really calmed it down. I threw my Saker on it and adjusted it a hair more and it ran like a top without putting gas everywhere. So for now, the Joe Bob version is GTG for me.
EDIT: looks like they are now $30.
http://www.joeboboutfitters.com/JBO...ock_750_Black_p/jb-adjustablegasblock-750.htm
EDIT: looks like they are now $30.
http://www.joeboboutfitters.com/JBO...ock_750_Black_p/jb-adjustablegasblock-750.htm
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I currently run a SLR, Syrac, JoeBobs and a Parallax Tactical. They all work, they all lock up solid. I drank the SLR kool-aid at one point but once they freeze up they're all the same.
That's interesting. I could get 2 joebobs and once one fails ( prob a long time since I clean the crap out of my stuff everyday lol) just switch it out and still have only 50 bucks in it.
I just picked up an Odin adjustable gas block for a grendel. Read lots of good things about it on another forum. Is there anything special involved with taking the old one off and putting the new one on?
Syrac is out of business for now. (Have 3 of them, wish I could find one more). A guy that use to work for Syrac designing their adj. gas blocks started up Superlative Arms. I believe his name is Tony. Talked to him before I bought one of his adj. gas blocks, works great! If you have any questions about it he can be reached at this #727-849-6880.
I have a PXTreme like the one linked below. I can see getting a more expensive one if its happens to be easier to adjust and you have to make adjustments all the time (like running a suppressor off and on) but otherwise, anything that limits the gas flow will get it done. My PXT came with a 4" long allen wrench to fit under some of the longer handguards (depending on your gas system), and once it's adjusted I'm done with it. I'm a simple guy and my criteria was: Made in USA, light weight, limits gas flow, fits under handguard. The company with the best price that's fits my criteria, gets my money.
http://parallaxtactical.com/products/pxt-super-light-low-profile-front-adjust-gas-block-750
http://parallaxtactical.com/products/pxt-super-light-low-profile-front-adjust-gas-block-750
Just ordered the joebobs tonight. I will let u guys know by the end of the week how it runs. They ship fast.
I bought a seekins for my AR-15 i run a suppressor on. It does not shut down enough gas for the suppressor. i called and asked and they said it wasn't designed to shut down completely or work with suppressors.... Wish they had stated that before i purchased, so i could get one with enough adjustment. Just a heads up when looking around.
BTW, I was just reading on the superlative arms gas blocks, and they bleed gas off instead of restricting it. Does this create issues? this is the first I have heard of a gas block doing that. Doesn't this make the gun a lot more noisy if you are venting gas like this? Also does reduce muzzle velocity?
BTW, I was just reading on the superlative arms gas blocks, and they bleed gas off instead of restricting it. Does this create issues? this is the first I have heard of a gas block doing that. Doesn't this make the gun a lot more noisy if you are venting gas like this? Also does reduce muzzle velocity?
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How exactly with the materiel (steel) that the gas block is made out of lessen 'crap' from getting into the BCG?!?
Not sure on the steel gas block stuff? Idk how it would make it last longer? Can someone chime in?
Almost every design of gas block will gas cut (erode) the steel, aluminum just erodes faster. Geometry, gas port location and diameter as well as pressure and temperature has an effect. Whatever metal does get eroded ends up in the gas rings. The Superlative accounts for this more than other designs by not choking the flow, but by splitting the flow which takes energy out of the system instead of concentration. MicroMOA has a choking system like most of the rest, but uses plates that can be changed out easily. There are a lot of "adjustable" gas blocks in use that are no longer throttling the gas down to the original setting due to the erosion in the block. Sure, it takes thousands of rounds, but when I rebuild uppers with adjustable blocks, more often than not, whatever throttling method was in the gas flow is mostly, or entirely gone.
Also, aluminum expands at a different rate than steel and so they end up leaking badly and changing the setting in a different way. Matching the gas block metal to the barrel metal is the best bet.
Looks to be that particular Diam. Superlative not in-stock to be found @ this time ?
Was browsing few different retail sites. for a ( .750 ) Superlative this week to finish off a build and to check-out for reducing a little suppressor back pressure .
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Was browsing few different retail sites. for a ( .750 ) Superlative this week to finish off a build and to check-out for reducing a little suppressor back pressure .
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I have 7 adjustablenext to a good trigger.Superlative arms gets my vote hundreds of rounds thru them gas blocks on my rifles.I was so impressed with the first one I bought that I purchased the other 6 for my ar rifles as it was the next best thing I could do to improve performace ,recoil,and easy on the brass.I have had no issues other than they are allways on back order but the wait time is worth it.
Back-Order the reason, I went with an SLR because I could not find Superlative .75" in-stock anywhere a couple months back and I did not want to wait on a list . When I finished my load workup SLR works great on the gas regulation with no complaints . Will give a Superlative a try on the next build .
the SLR, It did get carbon built and froze the hex Allen wrench from turning adjustment . the gas was turned off on the load workup for maybe 1st 150 rounds before I did the gas tune on the Load for with it's final charge and velocity , but was no biggie with it's easy, fast cleaning design .
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the SLR, It did get carbon built and froze the hex Allen wrench from turning adjustment . the gas was turned off on the load workup for maybe 1st 150 rounds before I did the gas tune on the Load for with it's final charge and velocity , but was no biggie with it's easy, fast cleaning design .
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