Gas Block Installation Helpful Hints. Line That Hole Up
Gas Block Installation Helpful Hints. Line That Hole Up
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Love my 12.5" that length really is where the magic of 5.56 starts. The gains beyond 12.5" are far less substantial than the losses below it. Fps per inch only changes 50-100 after 12.5 compared to the 200+ when you start going shorter.
i hve a perfect aligment on my ashole
All my 5.56 SBR are 11.5" with a 1:7 Twist barrel and a carbine length gas system. We also use a Odin adjustable gas block. One little trick is, open up the gas port on the barrel one drill bit size larger. And that typically will be the size of the gas port on the Odin gas block. But be sure and check it. This gives you better control over what often is a "Over gased" symptom. Especially if you are running a suppressor on the rifle. I often get guys that will give me that funny look and say "Thats nice, But you can’t get any distance out of it" And here is when the question is asked "How much $$ you got in your pocket??" Because with my 77gr Serria TMK hand loads, I can bang a 12"steel target with this rifle all day long at 300 yrds. And go 10 for 10 on a full IPSC steel target at 400 yrds. With the same ammo. And just shooting off a forward mounted bipod on a good steady rest or shooting prone (which I don’t like to do, After my severe neck and left shoulder injury 32 yrs ago) That Angus bull won that day. However his New York strip steaks that we cut out of him, that where the size of a radiator where delicious a year later. But I still suffer from getting the shit beat out of me by him. So maybe he did win after all 🤔.
No loctite. Not needed and operating temps are too high for loctite – red or blue.
Does the dimple on the bottom of the barrel have anything to do with placement of the gas block?
Seriously? A $39 eBay rail? Why anyone listens to you for gun advice is beyond me.
Use playing cards!
Love tips like this thank you.
Did you find the velocity to be better on a 12.5 over a 10.5?
The gas block doesn’t butt up against the shoulder because it needs room if someone’s going to install a A2 hand guard ring.
A dimpling jig from SLR is like $35 you cheap bastards, just do it right from the beginning.
Pretty sure you need a tax stamp for a 12 inch barrel ?
Just watched a video guy used a piece of spagetti. Stuck it in the gas hole in the barrel, broke it off flush to the barrel, slid on the gas block turned the barrel over spagetti dropped in the hole in the gas block to align the two parts. Tighten the allen keys turn it back over and break off the spagetti with your cleaning rod tap the barrel and the other half will fall right out.
Newb question, is gas hole same spot on every 16" barrel with Mid length gas tube? Could you swap a low profile and a A2/vice versa? Or once you drill, that decides because you wouldn’t spot weld to re drill a rifle barrel because it would damage rifling or be un safe?
Hey thanks trying to get better understanding.
Funny, I work with a bunch of gas-holes😃
I am new to this, so please forgive the simple question. My barrel has a dimple in the bottom that the set screw fits right into. Is that on all barrels, and should I be concerned about my gas hole not being aligned?
Huh Huh, he said gas hole.
You forgot to mark using a pencil both the barrel where gas block ends and a hask mark on barrel shoulder and gas block so its centered otherwise the hole thing about using set screw hole is pointless, just a T mark would do…
My gas hole gives me fits all the time!
Quick question way my 10.5 ar pistol leak alot gas from the gas tube pin is that normal I’m asking because I never seen that on my 16" long ars
I WISH I HAD FOUND THIS 70 BUCKS AND A ROUNDED OUT ALLEN SCREW AGO.
Wow this video was so much fucking longer than it needed to be
I have a washer between the "end" of the barrel and the threads of the "true end" of the barrel that is not unscrewing. Any suggestions?
On the M&P 15 their is a line on the barrel that helps you line up the hole.
Amen
What a waste of time. Get you tools ready next time, and get to the point before 4 minutes are wasted.
11.5 is the shortest you should build with the 5.56 anything under that is just a noise maker…. You can go 10 with a suppressor
That small gap is for the material thickness of the Front Sight Handgrip collar plate which is installed on the barrel just before and behind the Mil-Spec Front Sight Post.
I’m having where the gas hole on the gas tube does not show that’s it’s lined up with the gas block . Any ideas ?
Video starts at 3:30. Don’t waste your time before then.
What is the material you used to cover your bench top in this video?
I use a small strip of masking tape to line up the EXACT center of the barrel’s gas port to the TDC line of the barrel …no pencil lines, scribe marks, then cut the masking tape so as not to interfere with the gas block positioning. Then use a feeler gauge to ensure the right distance is achieved between the gas block and the barrel’s gas port flange.
if you have a mid length gas block can I use any gas tube that is designated mid length?
Another method is using a feeler gauge. Gauge it.
Usually the gas port hole in the gas block is nearly double the diameter of the gas port hole in your barrel. This will allow for a slight misallinment of the gas block relative to the barrel, yet will still deliver a full charge of gas into your gas tube…
What a tight "Gas hole!"
I dont have any, but i wish I did. I bet feeler gauges would be useful to quickly get that gap size and to recreate it after flipping the block around.
If its dimpled you should be good to go.
You can use a set of automotive feeler gauges to measure that gap
For the gap, i just cut in half a piece of the standard hand guard front cap and used it as a spacer.
Quick question… Have you ever ran a clamp on gas block before by any chance??? I’m building out a new 6.5 Grendel rifle around a 20" Proof Research match barrel and I’m not really wanting to dimple or pin a block on that barrel like I normally do when I install gas blocks. I’ve never used a clamp on gas block before and just looking for a little info on if they tend to work and most importantly stay in place because this is going to be a range toy and a hunting rig where you shoot pretty high volume…
I use a bore scope
Kotaboy, do you dimple your barrels for the set screws to seat into, or do you just tighten with thread locker?
Ha ! He said "gas-hole" …
Pistol… LOL
Dude, that’s an SBR with some velcro slapped on the stock. Changing the name of something, doesn’t change what it is. It’s an AR15 rifle, with a slightly shorter barrel. The literal definition of SBR.
You didn’t install the gas block!
Video starts at 4:18
Great advice. Thank you
Feeler gauge is what I use easy peasy
video of a black gun on a black table, nice