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AR-556 Barrel heat

This is a discussion on AR-556 Barrel heat within the Ruger Semi-Auto forums, part of the Rifle & Shotgun Forum category; You could always go for a water colle AR upper....


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Old March 6th, 2020, 03:35 PM   #16
 
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You could always go for a water colle AR upper.
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Old March 6th, 2020, 03:55 PM   #17
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You could always go for a water colle AR upper.

. Now thats funny, never seen that before. Reminds me of the 1917 browning.
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Old March 6th, 2020, 06:37 PM   #18
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Good Video

That's amazing on how much punishment an AR barrel can take. Wonder what the temperature of the barrel was.

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Figured you could benefit in seeing a grossly overheated barrel on the ar platform. This is the extreme and nobody shooting a semi should even get close to this. However it shows the punishment one can bare before failure.

Look up ultimate ar15 meltdown on Youtube.
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Old March 6th, 2020, 08:49 PM   #19
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That's amazing on how much punishment an AR barrel can take. Wonder what the temperature of the barrel was.
I figured a video would speak louder than words. Well being familiar with building construction in the fire service, (which I teach), steel begins to loose its structural strength at 1500 F and usually fails afterwards. I would imagine it was in that ball park, but who knows without having a thermal camera like we use on our fire engines to see. I wouldn't want to see it in person, however have no problem watching others do it on youtube.

But it is interesting how much stress it can take before failure. I would never push mine anywhere near that limit. It would probably be hard to do this with a semi anyhow, but anything in plausible. That guy has done several tests with several different firearms, very interesting results.
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Old March 7th, 2020, 05:39 AM   #20
 
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As for the water cooled comment, if any of you saw the show sons of guns (now off the air and star in jail, google it) they did a double barrel water cooled AR. Kind of cool, but at the same time I was thinking the AR was the wrong choice for that application.


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Old March 7th, 2020, 11:56 AM   #21
 
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I first noticed extreme barrel heat when I emptied my first mag from my first Mini-14 back in the '70s, and that was the original model with the wood handguard (where much of the barrel was covered). Got really hot quickly and took forever to cool down.

Around that same time I bought an M77V in .220 Swift and read of how that cartridge burned barrels so I always gave it a couple of minutes (with bolt open) between shots.

Today I take my .204 Ruger and M77V/T .223 and .220 Swift varmint rifles (and even 10/22 Target for close shots) and switch between them often with no more than a couple of shots each before changing.
Gives me time to make every shot count, saves a lot in ammo costs and I'm sure I have just as much fun.
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Old March 8th, 2020, 05:20 AM   #22
 
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The upper hand guard on the M14 rifle was changed from wood to slotted fiberglass because after full-auto fire the wooden hand guards had a tendency to catch on fire.
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Old March 9th, 2020, 06:43 PM   #23
 
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Does anyone have a link to any barrels i could buy just incase anything happens to mine? Ruger said they dont sell replacement barrels
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Old March 9th, 2020, 10:12 PM   #24
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The list is endless for replacment barrels really, you could buy a bear creek arsenal upper assembled and pin it right on your ruger for fairly cheap. Palmetto, primary arms, delton, ar stoner , dpms, and many others sell quality barrels for the ar, and many many others. That just names a few.
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Old March 10th, 2020, 05:55 AM   #25
 
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Any AR replacement barrel set up for a carbine-length gas system could potentially work. But if you wanted to use the front sight tower/gas block that came with the Ruger AR556 you would have to have some work done to the barrel.

The Ruger AR556 front sight tower is a proprietary design that secures to the barrel with pins that go over the bore rather than under so you would need to have some flats on the top of the barrel for the pins.

Might be easier to buy a replacement barrel that comes complete with a front sight tower already installed and there are plenty of those to choose from.

But I think you are overestimating the risk of burning out your barrel.
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Old March 10th, 2020, 06:40 AM   #26
 
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Does anyone have a link to any barrels i could buy just incase anything happens to mine? Ruger said they dont sell replacement barrels
If you are worried about your barrel I would suggest getting another complete upper. You can get one complete with the bolt carrier group and charging handle for around $200. That would get you another barrel and extra parts too. The upper would fit right on your lower.

If you haven't changed barrels or know someone who has to help you it is not an easy task. You need a couple special tools that make life a lot easier to change barrels. The cost of the tools would come close to offsetting the price difference between just a barrel or a complete upper.
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Old March 10th, 2020, 11:21 AM   #27
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Originally Posted by pblanc View Post
Any AR replacement barrel set up for a carbine-length gas system could potentially work. But if you wanted to use the front sight tower/gas block that came with the Ruger AR556 you would have to have some work done to the barrel.

The Ruger AR556 front sight tower is a proprietary design that secures to the barrel with pins that go over the bore rather than under so you would need to have some flats on the top of the barrel for the pins.

Might be easier to buy a replacement barrel that comes complete with a front sight tower already installed and there are plenty of those to choose from.

But I think you are overestimating the risk of burning out your barrel.
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Originally Posted by bubba68 View Post
If you are worried about your barrel I would suggest getting another complete upper. You can get one complete with the bolt carrier group and charging handle for around $200. That would get you another barrel and extra parts too. The upper would fit right on your lower.

If you haven't changed barrels or know someone who has to help you it is not an easy task. You need a couple special tools that make life a lot easier to change barrels. The cost of the tools would come close to offsetting the price difference between just a barrel or a complete upper.

I agree with these guys, I think your over estimating burning out a barrel, I have been shooting ar's for many, many years mostly on a weekly or biweekly basis around 100 rounds a trip, and I have never seen a burned out barrel yet, and I have a few calibers known for being tough on barrels due to velocities. Unless you are planning to just empty the mags as fast as possible everytime you shoot, its not a problem I would worry about.

I also recommend just buying a second upper complete for added piece of mind instead of trying to rebarrel the ruger with the ruger front sight post.

Here is a basic example, all you have to do it pin it on your lower, complete ready to go for $209.

https://www.bearcreekarsenal.com/bca...uard-gas-block

Last edited by Tacky; March 10th, 2020 at 11:23 AM.
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Old March 10th, 2020, 11:52 AM   #28
 
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My Colt SP1 is 46 years and still wears the original barrel. Someones putting way to much thought into this. If you manage to burn it out replace it. Until then take it out and have fun.
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Old March 10th, 2020, 12:55 PM   #29
 
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Quote:
Originally Posted by Tacky View Post
Figured you could benefit in seeing a grossly overheated barrel on the ar platform. This is the extreme and nobody shooting a semi should even get close to this. However it shows the punishment one can bare before failure.

Look up ultimate ar15 meltdown on Youtube.
I've seen a few of those over the years. Always wished someone would hand me one with a "boatload" of ammo and say "COOK IT !!!"

Not that I haven't pushed a few of mine, but I've never burned out a barrel or melted the handguard.
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Old March 10th, 2020, 01:25 PM   #30
 
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Quote:
Originally Posted by Mark204 View Post
My Colt SP1 is 46 years and still wears the original barrel. Someones putting way to much thought into this. If you manage to burn it out replace it. Until then take it out and have fun.
Yep, unless the op plans on going out and just doing mag dumps all the time the barrel will probably out live him.
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