How To Tune Your AR-15 Adjustable Gas Block - with Jesse Tischauser - OpticsPlanet.com
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- Опубліковано 30 лис 2015
- OpticsPlanet Gear Expert Jesse Tischauser explains how to Tune/Adjust your AR-15 Adjustable Gas Block.
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Thank you for getting straight to the point and providing great instruction.
This is how you UA-cam. Take notes vloggers!
When you think you have the gas block adjusted where you want it turn your rifle to the left, right, and upside down and fire from each position. What I have found is that at times the gas may be enough to lock the bolt back while fired from a normal position but with the gun fired from an odd angle it may need more gas.
@Jon Iwanyszyn and backwards dummie.
@Jon Iwanyszyn Well I’ll be damned, that does make sense. Looks like I was the dummy 🤦♂️.
🤣 y’all are all 3 great
Thanks Jesse! Good stuff! I had a feeling my issue was temperature related. Shooting at 34 degrees & not completely cycling. Getting it tuned I. For The Shot Show match.
Followed these instructions and worked perfectly. Thank you very much!
We’re glad to hear our video helped!
Very good explanation. Odin Works dropped the ball on explaining the process!
Dude, nice video. Thank you
Thank you. About to start on my first AR 15 build, trying to learn all the information I can!
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THANKS VERY WELL MADE VIDEO I HEARD FROM ANOTHER VIDEO THAT HIS WASNT LOCKIN BACK THE WAY IT SHOULD BUT THIS SHOWS N TELLS US WHY THANKS AGAIN CHIEF
Thanks for posting this informative and easily comprehensive video! I am in the process of building my first AR and this helps tremendously!
Hi Wilfredo,
Thanks for the comment! Glad the video helped out.
Awesome, just what I have been looking for, for my Anderson
Nice video! Thx
Glad you liked it, thanks for the comment!
Just found your channel. THANKS! I just got a PSA Gen 2, 6.5 & its carrier bolt was slamming HARD into the recoil assy. WAY overgassed. It has the adjustment & the lock for it. Your instruction saved me from having to send the damn thing back. PSA did NOT send any instructions w the unit. Subbed!
Thank you for your kind words and welcome to our channel, Dave! We're glad we were able to help - if you ever need any assistance, please do not hesitate to contact us. Have a great day!
same problem here that why i found this video too. hows the recoil been after the adjustment?
You can but gas blocks that are adjustable for different types of ammo and reloads that you can adjust like a fnfal
You might not want to remove the adjusting screw all the way out to put loctite on it. Rather most of the way out. You dont want to get it on the tip of the screw and into the orifice where it would harden.
I always taught that even if you can get the bolt to lock, the gas block may not be properly tuned. I understood that with the muzzle being 12:00 and the charging handle being 6:00, the cases should eject 20-30 degrees beyond the 3:00 position and slightly to the rear of the shooter. Cases ejecting anywhere ahead of 3:00 = under gassed. Or is that an old wives tail?
My Oden Works adjustible, clicks as you turn it. Makes it simple to adjust as you want, say for a suppressor.
If you have too much could it tear off the boat tail with the ejector leaving the casing in the chamber?
Jesse, what system does the Sig Sauer M400 have? Gas? I used an AR at a job I used to have and it hardly had any recoil...lately I've been shooting the Sig Sauer M400 and it recoils a lot compared to the AR I had at work.
I’m having issue’s with FTF & FTE on my AR-10 shotgun . I haven’t check to see if it has an adjustable gas block yet . If it does I will try your technique . If it doesn’t should I try a different spring & buffer . Or replace it to an adjustable block ? Also I have seen damaged aluminum blocks . Would you recommend an adjustable stainless steel block . If so what kind would you recommend . I would like it to be reliable . It is an Utas 12 gauge . Thank You It is a Rod Operating System ..
I want a loop from 2:58-3:13
Tried this but the adjustment screw is too far out that it will make contact with my handguard any suggestions?
So is your charging handle broken? Why the heck does it keep flying back at your when the bolt lock back ?
Would have been cool if you would have continued tuning ...to show how to get the ideal 3oclock ejection .....but im sure its not terribly hard to figure out
Thanks dad
But how do you know if your gas block is adjustable ?
Great vid. Thanks. I just finished my first AR10 308 build. I have a Sentry 7 SLR Rifleworks 15 position gas block. I can get spent cartridge ejection and new round loaded, but I have not been able to get the hammer to cock. The rounds are Winchester 150 grain and ejection of the brass is at about 3:00. Any thoughts on what might be causing this issue?
Hi Andy,
Sounds like this could be a tuning issue Yea it’s a tuning issue. For example, the carrier isn’t going back far enough to cock the hammer.
If the gas block is wide open and there still not enough power, you might need to go to a different buffer spring/buffer weight? Maybe try higher power ammo? Those are a couple of different ways to possibly troubleshoot this. If none of this works, go ahead and email "techsales@opticsplanet.com", and ask away.
Thanks for the question & comment!
Is it just me but direct impingement guns are rather difficult to adjust? It's not like the FAL, where you can just move the dial left and right on the spot.
Can you make a video with the SLR sentry 6? Tyia
Hi Jimmy,
Thank you for your feedback! We're always looking to add new videos to our page and it may be a possibility in the future. If you have any questions in the meantime, please feel free to contact us!
In Have two ar rifles. But you'd think after all the years rifles have been around amd when it was first made a blow back would of not been considered
Wonder why his charging handle keeps coming out.....
Hi gotdrift8,
We had a new rifle on the range that day and the latch broke during filming.
Thanks for the comment!
Thanks, I was thinking the same thing.
@@OpticsPlanet Did you review the charging handle and include that it broke?
Why is the charging handle popping backwards? Is it some sort of competition one that is supposed to do that?
@Jeffrey Dohnger ummmmmm idk about you, but all of my ARs do not do that, nor have I ever seen one do that.
The bolt locks to the rear, but for some reason the charging handle moves backwards Everytime? Doesn't make a lot of sense
Thank you ...good presentation...I won’t drop mags like that unless I’m on the fight or flight situation or if I have some kind of a cloth or cushion on the table to protect the mags
I have a question.
Why is the charging handle go back everytime you shoot a round to lock the bolt? Idk how some AR-15s work.
The charging handle sits on top of the bcg and when it is locked back the charging handle can move freely back and forth.
dp4k I saw one of the comments now that the gun’s charging handle broke
@@ember5935 I see what you mean now. I misunderstood your comment.
Are 🇹🇷 shipments in Turkey
I want to be just as cool as you when I grow up
I noticed on the bolt lock back, that the charging handle kept going back.
+Captain Chaos It was a new handle/rifle and the latch broke during filming.
+Jesse Tischauser
Ten four. Just curious. Not being mean or anything.
How do you feel or have any experience with the adjustable gas key?
+Captain Chaos I've never tried one. I have so much time with adjustable gas blocks that I've been too lazy to learn the gas key thing.
I do not blame you there. If the gas key system works. It would be easier to use and install. I think.
A question for anyone. I just finished my first AR build, a 300 Blackout pistol. My only question is about the adjustable gas block, which I have never worked with. I just test fired it and it functions just fine. But, the shell casings are smacking the shell deflector so hard that it is denting all of the necks at the top. Can I assume this is due to too much gas and I should just dial it back?
Molon Labe I'd say yes, at least try it. although beat up brass is a straight of the ar &ak platforms.
Yeah, I would dial it back a little. What are the different rounds you are using and grain? The thing is with 300blk, it is tricky to get it at the right adjustment. So many factors :Barrel length, rounds, gas port, buffer spring, suppressed/or non.
If your going to open up the adjustment screw that much, then why don't you just run a non-adjustable gas block. I thought the whole idea behind an adjustable gas block was for turning down the gas to lessen the recoil.. Just saying..
I have a AR chambered in 6.5 Grendel and it seems to be over gassed not sure if my gas block is adjustable. Can anyone help?
@@boricuaarecibo9259 is it PSA? i have the exact same problem. is it denting your casings by hitting the brass deflector? the PSA kit is adjustable gas block
@@boricuaarecibo9259 run an odin works gas block, best solution. Your aim should be to get the lightest buffer weight
You can reduce felt recoil with a lighter buffer and and an adjustable gas block to tune it to reliably cycle the bolt back by reducing the gas. Other benefits are that you can tune your gun for different ammo choices. Tula ammo is very weak and sometimes will not lock the bolt back. Some more benefits are the ability to tune for running suppressors or if your gun is over-gassed. Oh and since he is running ammo without a suppressor or super weak ammo, he is going to have to open the gas almost all the way because most gas ports are set to run reliably without the need for a adjustable gas block. Some companies make the gas port a little bit larger to run all types of ammo like wolf or tula and with higher power rounds it cycles to fast adding wear. If you only shoot a couple mags a year, over gassed wont be a big deal. I prefer running tuning rifles using different buffer weights and running non adjustable gas blocks and running full power brass cased ammo. Usually I only run one particular round per gun. All of my guns are application specific. By using different buffer weights, I tune it to eject cases at the 3 o'clock position when it is about 60 degrees outside. That way in the winter it still cycles fine and ejects to the 4 o'clock and in the summer the 2:30. If I get a suppressor than I will swap to adjustable gas blocks.
Dude, you don’t get it. He tuned it so he had just enough gas to cycle the bolt.
Didn't know Colby Covington had a gun channel.
looool
Can we tune the rifle even with the handguard on?
Greetings!
Thanks for the comment. It will completely depend on the gas block and handguard and how the rifle is setup. Some handguards allow for tuning and some require removal of the handguard. The same goes for the gas block - some allow for tuning through the handguard and others require removal. If you have any further questions, please feel free to contact us!
how about seekins precision adjustable gas block. can I tune it even with the hanguard on? THank you for your reply.
Greetings!
It will also depend on the handguard being used. The Seekins adjustable can be adjusted on the fly with two set screws that are accessed on the front and right hand side of the gas block. If your handguard has large enough openings, the gas block can be adjusted without removing the handguard - but it will be completely dependent on the handguard.
OpticsPlanet what about the gas block on the Ati Omni hybrid
With how hot the gas blocks get, is locktite still effective?
Xaro Xhoan Daxos - they have different grades of lock tight for different purposes, including high temp applications. In some cases you'll need a torch to loosen the lock tight enough to back off a nut or screw
not all gas blocks have an adjustable screw
What about if you plan on adding a suppressor to the gun? Should you back it off even more or keep it at the bare min for locking the bolt back?
Hi JJ,
It would depend on the bullet weight and velocity of the ammunition. Our recommendation would be to contact the manufacturer.
If you have any further questions, please feel free to contact us!
Thanks, I'll get a hold of them. It's a 300 Blackout, so ammo I tend to shoot are 147 grain supersonic and 208 grain subsonic (10.5" barrel, pistol length gas system)
I have an "Anderson Manufacturing Low Profile Adjustable Gas Block - .750" - Set Screw Style." However as I am trying to adjust the gas block with my Allen Wrench, it does not seem to be locking onto something. It literally just feels like I am sticking a 5/64 wrench into an empty hole. Can someone please confirm if there is supposed to be a small screw in the port where you adjust? I believe I may be missing something here on the gas block itself.
like that scarred barrel. shows it aint a safe queen
Nazi fuck
Jason Statham??!!! Bloody Hell!
you must have one of those side lock charging handles, I am not impressed with them at all
Your gun can be over gassed too.
Haha, your lower says “Boomer”.😂
do they make a diff model now ? my set screw is on the front of the gas block
+Davee david
Hi Davee, there are many different models out there with different designs that allow you to set/adjust your gasblock.
If you happened to know what make/brand you got, don't hesitate to mention it here in the comment section, or if you have specific questions contact us at: techsales@opticsplanet.com.
+OpticsPlanet hey thanks man .....I bought a seekins precision adjustable has block cost about $57 ...I saw your set screw placement and thought maybe I installed mine backwards but then I saw must be diff model of seekins
Davee david Hi Davee, yea I can see where this can get confusing. Some models have a flat front with no exit hole, making it a no-brainer on how to install them, whereas the seekins is open in the front.I guess the best way to remember the direction of install would be that only one side has an opening for setting the screw, and should always be to the right side of your barrel when looking down the sight of your rifle. IF, of course we are actually talking about the same gas block.
+OpticsPlanet yup it is to the right !!! your awesome thank you for your help
I'm pretty sure they changed it and its front now, if im not mistaken