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View Poll Results: As titled
USGI 5 83.33%
ProMag 1 16.67%
Korean (KCI) 1 16.67%
Inland 0 0%
Multiple Choice Poll. Voters: 6. You may not vote on this poll

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Old March 17, 2019, 08:47 AM   #1
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M1 Carbine Mags (best quailty and function)

Iv seen mention of which mags are the best for M1 Carbines throughout the years on this forum, but can no longer find any of the posts so I'm posting a quick poll.
I'm mainly concerned about 15 round mags.

Last edited by PushPuller; March 17, 2019 at 08:54 AM.
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Old March 17, 2019, 10:13 AM   #2
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Ooops, I mistakenly read M-16 and Pmags!
However, the only reliable ProMag I ever had was ironically an M1 Carb. mag.
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Old March 17, 2019, 10:36 AM   #3
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USGI and Korean

Note on the Korean
The vast majority of the ones marked & marketed as Korean military surplus are not
They are Korean commercial made, just packaged and sold to appear as surplus
So do not spend extra thinking you are getting something extra

You specified 15 rounders but I'll throw out some info on the 30's as inevitably someone will ask about them. The vast majority (>99%) of 30's found out there are commercial copies (even if marketed/marked as GI) and are junk, don't waste your money. Sure you might luck out and eventually find one that works decent, but you'll likely have spent a bunch of money on junk ones to find the one good one.

USGI 30's came in two types, hardback and splitback
The splitback was the most produced and the most copied
In my experience there is at least a 20:1 ratio of commercial copies to actual USGI 30
It takes a bit of knowledge and experience to identify the real ones, but once you figure it out IDing them is easy. Unfortunately the nice USGI's get snapped up fast or are beat up pretty bad and often not worth buying.

There is one easy way to avoid the above mess if you want a functional 30, buy a hardback

They were the least produced because they were difficult and costly to make, which is why no one ever tried to make a commercial version of them. So when you find one you its the real thing and you know it will work (if not damaged) and they do work outstandingly well

The bad part is they are rare and costly

New in wrap ones would typically set you back $200
The good news is that a small batch of them were found NIW in Europe not long ago, so prices were driven down under $100. But that batch is about gone and prices are climbing again, so buy soon.

You might think that it's nuts, but they are the best mags ever made for the Carbine. And look at it this way, I've seen people spend $20ea on a half dozen 30's only to get just one that 'sort of worked' most of the time. When they could have just bit the bullet and bought a hardback for what they spent on the junk. With a bonus being that the hardbacks hold their value.

Good luck
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Old March 17, 2019, 11:23 AM   #4
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Another option are the newly manufactured M1 carbine magazines from Keep Shooting, at this link. They don't identify the origin of these magazines other than they are not made in Korea.

Has anyone had any luck with the Triple K magazines?
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