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Fluted heavy barrels

This is a discussion on Fluted heavy barrels within the Accuracy forums, part of the M14 M1A Forum category; Has anyone ever mass produced a heavy M14 barrel with flutes in the section before the gas cylinder? I think I recall seeing pictures of ...


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Old March 8th, 2011, 09:26 AM   #1
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Fluted heavy barrels

Has anyone ever mass produced a heavy M14 barrel with flutes in the section before the gas cylinder? I think I recall seeing pictures of one on the internet somewhere, but I could not find it again - it was probably a one-off custom job though. Just seems like something that might be useful to reduce weight, and have near the stiffness of a heavy barrel with extra cooling.

If anybody has one, could you take a picture?

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Old March 8th, 2011, 12:59 PM   #2
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Flutes

We are in the process of producing our modified medium weight barrel with 10 flutes before and after the op rod guide.

I'll have a drawing to post soon. I also plan on doing a group buy for member of the TFL.

This has been one of the most interesting barrels yet.

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Old March 8th, 2011, 07:45 PM   #3
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Excellent! I'm really looking forward to this one.

In case you've missed it, this is what your regular WMMW barrel has been up to.

http://m14tfl.com/upload/showpost.ph...71&postcount=7

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Old March 8th, 2011, 08:04 PM   #4
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CRAAAP! i just had a WMMW instaled in my 7.62mm arms receiver now i am going to have to buy another receiver to install the WMHWFB
(the wife just read this and said im not funny)
keep us up to date on this i am very intrested

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Old March 9th, 2011, 06:29 AM   #5
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jywolfe, I am wondering what flavor your new 10 flute WMMW barrel will be available in. I am interested in purchasing a WMMD stainless 22" barrel either fluted or unfluted. I am just waiting on you getting the sage stock fit issue resolved.

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Old March 9th, 2011, 08:05 AM   #6
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Not sure I get it.
Can anybody explain what practical benefit, if any, the removal of a couple of ounces of metal from the barrel will have, besides saving a couple of ounces of weight?

I can think of a couple of probably obvious potential drawbacks, impaired accuracy / consistancy being one...

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Old March 9th, 2011, 08:25 AM   #7
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The idea was that the flutes would add enough surface to release the heat quicker in firing rounds in rapid succession. Benchrest shooters who tinker for any edge tried fluted barrels. I don't think the debate's ever been decided.

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Old March 9th, 2011, 02:03 PM   #8
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the extra surface area adds stiffness to the barrel
it is like having a 2" dia. barrel without the extra weight
they also help with heat removal from the barrel buy way of the extra surface area
not somthing that everyone will want but it would be a good option for bench/target and long range shooters

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Old March 9th, 2011, 02:09 PM   #9
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Quote:
Originally Posted by B 2/75 View Post
Not sure I get it.
Can anybody explain what practical benefit, if any, the removal of a couple of ounces of metal from the barrel will have, besides saving a couple of ounces of weight?

I can think of a couple of probably obvious potential drawbacks, impaired accuracy / consistancy being one...
why would you think this would inpare accuracy or be inconsistant
it is exactly opposit to that assuption

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Old March 9th, 2011, 03:33 PM   #10
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Quote:
Originally Posted by B 2/75 View Post
Not sure I get it.
Can anybody explain what practical benefit, if any, the removal of a couple of ounces of metal from the barrel will have, besides saving a couple of ounces of weight?

I can think of a couple of probably obvious potential drawbacks, impaired accuracy / consistancy being one...
All other things being equal, more metal/fatter barrel/stiffer barrel=more accuracy.

Fluting is a way to remove some metal and reduce some weight while keeping near the same accuracy the heavier barrel would have had.

For a match competitor that could care less about reducing weight and in fact stuffs lead into every nook and cranny of his rifle to make it heavier, fluting makes no sense.

For a field rifleman that wants a rifle that shoots close to a heavy barrel but weighs close to a medium barrel, fluting might be a very interesting idea.

JMHO

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Old March 9th, 2011, 03:43 PM   #11
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Well stated

Quote:
Originally Posted by 2336USMC View Post
All other things being equal, more metal/fatter barrel/stiffer barrel=more accuracy.

Fluting is a way to remove some metal and reduce some weight while keeping near the same accuracy the heavier barrel would have had.

For a match competitor that could care less about reducing weight and in fact stuffs lead into every nook and cranny of his rifle to make it heavier, fluting makes no sense.

For a field rifleman that wants a rifle that shoots close to a heavy barrel but weighs close to a medium barrel, fluting might be a very interesting idea.

JMHO
You hit the nail on the head. It's more rigid given its weight, but a heavier barrel of the same diameter is still more rigid.

We believe it should dissipate heat more rapidly.

That's why we are going with a 18.5" first. If all goes well, we may do a limited run with the 22" barrel.

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Old March 9th, 2011, 03:50 PM   #12
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Quote:
Originally Posted by jywolfe View Post
We are in the process of producing our modified medium weight barrel with 10 flutes before and after the op rod guide.
If You Flute Barrels...Are You A 'Flautist'?



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Old March 9th, 2011, 04:43 PM   #13
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Maybe?

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Originally Posted by CAVman View Post
If You Flute Barrels...Are You A 'Flautist'?



CAVman in WYoming
You've called me out!

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Old March 9th, 2011, 04:49 PM   #14
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some will argue it, but in my experience with a few different fluted barrels on my varmint rifles, after a lot of shooting on a prarie dog town, fluted barrels do cool down faster than a comparable non fluted barrel.

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Old March 9th, 2011, 06:55 PM   #15
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Ok, now I understand, and it does sound interesting.

Sortta like putting a series of I-beams on yer barrel... light weight but very rigid.

I agree that the increased surface area will help dissapate heat more quickly.

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