10mm Magazine Interchangeability

The 45 ACP Red Ball mags didn’t work for me in my 10 mm. Not a complaint, I just hoped they would. It IS possible one could squeeze the lips down to function right, the issue was, they would vomit rounds once the shooting started. But I didn’t feel like messing with it.

I don’t have any hi cap .40 mags, and I didn’t try the OEM .40, but I suspect that if I take out the plastic strip in the front, they might work in the 10.

ajole said:

The 45 ACP Red Ball mags didn’t work for me in my 10 mm. Not a complaint, I just hoped they would. It IS possible one could squeeze the lips down to function right, the issue was, they would vomit rounds once the shooting started. But I didn’t feel like messing with it.

I don’t have any hi cap .40 mags, and I didn’t try the OEM .40, but I suspect that if I take out the plastic strip in the front, they might work in the 10.

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Makes you wonder if the ProMag 15rd 40's can run 10mm? I don't own a 10mm anything to try.

ajole said:

The 45 ACP Red Ball mags didn’t work for me in my 10 mm. Not a complaint, I just hoped they would. It IS possible one could squeeze the lips down to function right, the issue was, they would vomit rounds once the shooting started. But I didn’t feel like messing with it.

I don’t have any hi cap .40 mags, and I didn’t try the OEM .40, but I suspect that if I take out the plastic strip in the front, they might work in the 10.

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If I am not mistaken, if you take the plastic strip out of the .40 mags, they become .45 mags.
Maybe this only applies to older mags. I could be wrong. I think the follower on the .40 version is a bit shorter front to back as well, to make room for the plastic filler strip so that may be a problem.

If someone wanted to test a 10x25mm Norma 1911 mag, I'd be happy to supply a Thingmeister magazine catch, for free, to the tester.

I know of no one making hi cap 10mm mags. undERground has a 10mm and messes with these things. You could try a PM to him, or just wait until he reads this post. If anyone knows of a hi cap mag for 10mm, it'll be him. The 10mm MIGHT work in a .45 mag - 10mm is 1.275 OAL, .45 is 1.26 OAL BUT 10mm has a diameter of .425 while 45 is .427. So, while the length MAY work, there MAY be a tendency to vomit 10mm rounds. As ajole said, the lip would definitely need some fussing. Not the answer you wanted, but its the best I have.

If @backbencher buys me a 1095, I can try the 45 ACP 1911 mags with 10mm rounds, and even drums, I have a slew of 1911 drum mags and a 4595 at this time

I'm a solid scientific test bed, Longshot Engineering used my prowess to do some dimensional take-offs on MagPul equipment, apparently the dimensions were good enough to pay me with a slew of half-baked Pic Rails for which I am eternally grateful 💖 Half-Baked is not a good
descriptor, these rails are first quality stuff, just that many are not black anodized but ALL are perfectly usable on any platform. Jerry is DA MAN!

BigFella44 said:

Just purchased a 1095 10mm auto model hi-point carbine ... been hearing that the model 4095 .40 magazines will run through the 1095 model... can anyone confirm or deny this?

If this is false, where can I find magazines for the 10mm model that exceed the 10rd limit..?

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This is very old post but all 3 of my mags say 10mm and .40 on the side so I would say yes.

Wojo66 said:

This is very old post but all 3 of my mags say 10mm and .40 on the side so I would say yes.

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And yes I do own the 1095

Great info guys thanks