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A question about Thermold mags

This is a discussion on A question about Thermold mags within the Ammunition forums, part of the M14 M1A Forum category; I have several Thermold mags which for all intents and purposes have worked flawlessly with my M1A. I have noticed however that I cannot insert ...


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Old April 27th, 2012, 08:47 PM   #1
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A question about Thermold mags

I have several Thermold mags which for all intents and purposes have worked flawlessly with my M1A. I have noticed however that I cannot insert a full magazine with 20 rounds into the rifle with the bolt closed. There isn't enough room in the magazine for the rounds to move downwards when attempting to insert into the rifle.

My question is this - is this the norm with these magazines? Can the followers be modified to allow a bit more downward travel or is it limited to the overall dimension of the magazine body?

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Old April 27th, 2012, 09:08 PM   #2
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Thermold Review:Freezer test today

Post #60 reiterates that only 19 rounds can be put in

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Old April 27th, 2012, 09:41 PM   #3
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My assumption is that its the size of the magazine, You can ask juggernaut if the 9 coil springs make a difference, or if the newer mag bodies have lips that allow for another round, or whatever.

the ones you get from cheaper than dirt, do not manually cycle well (but have been flawless in live fire)

They also only hold 19 rounds (a PITA if your a stripper clip like me , everything has to be on clip dammit and a clip with one bullet is ANNOYING)

I use my magazine every week and i will post as soon as it malfunctions in live fire, if this one lasts a good while with no malfunctions, or goes even longer with just a few, then i might consider more for weight savings.

for now i would just recommend buying CMI stainless steel 20 rounders if you are concerned about the mag lasting along time like a polymer mag.

or just stick with the regular steel 20 rounders and keep em oiled and clean.

I want to like the thermold, but it has drawbacks.

my next little project may be modifying magpul .308 pmags to work in the m14.

BUST OUT THE DREMEL AND EPOXY!

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Old April 27th, 2012, 09:44 PM   #4
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Well, I have 2 Thermolds that I bought from CTD; both have 9 coil springs and both function well and without issue. The only problem is trying to insert a loaded mag with 20 rounds into a rifle with a closed bolt.

I have 10 more Thermolds on the way directly from thermoldmagazine.com that I will test when I receive them. The new Thermolds normally come with 8 coil springs according to Jeff at Thermold, however he is replacing all springs with the 9 coil version for me.

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Old May 3rd, 2012, 08:13 PM   #5
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Quote:
Originally Posted by amstel78 View Post
Well, I have 2 Thermolds that I bought from CTD; both have 9 coil springs and both function well and without issue. The only problem is trying to insert a loaded mag with 20 rounds into a rifle with a closed bolt.

I have 10 more Thermolds on the way directly from thermoldmagazine.com that I will test when I receive them. The new Thermolds normally come with 8 coil springs according to Jeff at Thermold, however he is replacing all springs with the 9 coil version for me.
Not that it matters, but I just bought my first CMI mag, fearing all the mixed reviews of ProMag, Thermold, etc.

I guess I'm confused. Do the 9 coil springs work better? If so, why would the new mags be coming with 8 coils?

Will the 8 coil version insert with 20 rounds and the bolt closed?

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Old May 3rd, 2012, 08:16 PM   #6
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Originally Posted by Condor1970 View Post
I guess I'm confused. Do the 9 coil springs work better? If so, why would the new mags be coming with 8 coils?

Will the 8 coil version insert with 20 rounds and the bolt closed?
he miss typed stuff..


ignore that last post.

the ones from CTD have 8 coils, YOU WANT the ones with 9 supposedly (though mine have not failed me yet.

thermold will supposedly replace the 8 coil springs for you if you accidentally buy them from CTD.... buying them direct from thermold will give you the newer 9 coil spings in the mag.

basically reverse everything he just said .

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Old August 31st, 2013, 08:53 PM   #7
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Quote:
Originally Posted by Dredsen View Post
My assumption is that its the size of the magazine, You can ask juggernaut if the 9 coil springs make a difference, or if the newer mag bodies have lips that allow for another round, or whatever.

the ones you get from cheaper than dirt, do not manually cycle well (but have been flawless in live fire)

They also only hold 19 rounds (a PITA if your a stripper clip like me , everything has to be on clip dammit and a clip with one bullet is ANNOYING)

I use my magazine every week and i will post as soon as it malfunctions in live fire, if this one lasts a good while with no malfunctions, or goes even longer with just a few, then i might consider more for weight savings.

for now i would just recommend buying CMI stainless steel 20 rounders if you are concerned about the mag lasting along time like a polymer mag.

or just stick with the regular steel 20 rounders and keep em oiled and clean.

I want to like the thermold, but it has drawbacks.

my next little project may be modifying magpul .308 pmags to work in the m14.

BUST OUT THE DREMEL AND EPOXY!
I know this is an old post but I'll be curious to see how your Magpul mod works out! Please let us know.

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