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Barrel heating / warming up

This is a discussion on Barrel heating / warming up within the The M14 forums, part of the M14 M1A Forum category; Hi there, The FN FAL is a noticeable piece of art (and so are most of military firearms), but I suspect that its barrel is ...


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Old March 16th, 2017, 05:00 AM   #1
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Barrel heating / warming up

Hi there,

The FN FAL is a noticeable piece of art (and so are most of military firearms), but I suspect that its barrel is a little bit too light to fire 308 Winchester, especially in full auto. Won't it get rapidly too hot?

Perhaps I am mistaken, but isnít the M14 better / stonrger regarding that very point (sensibility to heat)?

Buldo.


FN FAL BARRELS:


M14 BARRELS:

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Old March 16th, 2017, 06:11 AM   #2
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The M14 barrel you show is not a military barrel. It is a heavy contour Match barrel, and was never used for full-auto fire. The standard M14 military barrel is comparable in weight to the FAL barrel, and overheats very quickly.

An aftermarket military contour barrel is shown at the link: http://www.midwayusa.com/product/579...oly-parkerized

And welcome to the forum!

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Old March 16th, 2017, 06:31 AM   #3
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Welcome to the forum. Uncle Sammy found that the M14 on full auto was not very controllable and tended to heat up very quickly to the point that the stock wood would char. If you want to play full auto, best get a machine gun or a BAR, something designed for consistant full auto work.

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Old March 16th, 2017, 07:37 AM   #4
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For reference, there are three barrel profiles available; standard, medium, and heavy.

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Old March 16th, 2017, 09:26 AM   #5
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Quote:
Originally Posted by Buelligan View Post
For reference, there are three barrel profiles available; standard, medium, and heavy.
You missed one in 22in lengths there are 4.... Std., Med, Wolfe Med and then Heavy.

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Old March 16th, 2017, 01:12 PM   #6
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Old March 16th, 2017, 02:43 PM   #7
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I think the FAL actually fared a bit better, because a heavy barrel version was designed for automatic rifleman. Most folks are familiar with the Israeli model, but it was also known as the L2A1 by the Brits and the C2A1 by the Canadians.

I believe the US experimented with a heavy barrel for the M15, but it wasn't adopted.

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Old March 16th, 2017, 04:04 PM   #8
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After a 10 round rapid fire stage my M1A barrel is too hot to touch. I can't imagine the heat and degradation to barrel life after a significant amount of full auto with an M-14.

As an aside but somewhat still on subject, at civil war enactments in the summer I have seen infantry reenactors give themselves second degree burns from touching their musket barrels after a lot of blank fire in a battle scenario.

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Old March 16th, 2017, 04:13 PM   #9
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Welcome from the So CA desert Buldozer!

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Old March 16th, 2017, 05:55 PM   #10
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I shot full auto once, about 100 rds total, and the stock did char at the fore end and smoked. Won't do it again and don't recommend it.

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Old March 16th, 2017, 06:03 PM   #11
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All machine guns get hot. Some get hot faster than others.

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Old March 17th, 2017, 03:10 AM   #12
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Quote:
Originally Posted by nicholst55 View Post
The M14 barrel you show is not a military barrel. It is a heavy contour Match barrel, and was never used for full-auto fire. The standard M14 military barrel is comparable in weight to the FAL barrel, and overheats very quickly.

An aftermarket military contour barrel is shown at the link: http://www.midwayusa.com/product/579...oly-parkerized

And welcome to the forum!

Oh... my mistake.
Considering the weight difference betwen the FN FAL and the M14, I thought it was partly due to the barrel!
Good point.

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Old March 17th, 2017, 03:18 AM   #13
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Quote:
Originally Posted by boomerpusher View Post
Welcome to the forum. Uncle Sammy found that the M14 on full auto was not very controllable and tended to heat up very quickly to the point that the stock wood would char. If you want to play full auto, best get a machine gun or a BAR, something designed for consistant full auto work.
I understand.

I searched here on there on the web and it seems that - in the Belgian army-:
- Most of FAL were semi - auto (even in the army)
- Some of them had a selector semi / full
- Some of them were euipped with a heavy barrel in order to cope with full auto rate.

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Old March 17th, 2017, 03:19 AM   #14
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Originally Posted by Buelligan View Post
For reference, there are three barrel profiles available; standard, medium, and heavy.
The heavy one is so beautifull, I thought there was no other!

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Old March 17th, 2017, 03:34 AM   #15
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Quote:
Originally Posted by Badger5th View Post
After a 10 round rapid fire stage my M1A barrel is too hot to touch. I can't imagine the heat and degradation to barrel life after a significant amount of full auto with an M-14.

As an aside but somewhat still on subject, at civil war enactments in the summer I have seen infantry reenactors give themselves second degree burns from touching their musket barrels after a lot of blank fire in a battle scenario.

Badger
Yes indeed.
Each cartrigde evacuates a large amount of heat / calories each times, and the amount of metal you are heating is still the same from one round to another.
To conclude : I love guns.

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