Since Glock still doesn't make an extended 10mm mag, I wanted to get info from those of you who have used the various aftermarket options.

I have read online that the SGM Tactical seem to run fairly well. Some seem to like ETS.

anyone have some experience that can shed some light?

Asking for a friend...Thanks!

Kriss extensions seen to work fine.

Yeah? I have heard about them potentially getting damaged where the extension mounts from folks online. That and they are as much, or more, as magazines, lol.


Someday down the road, I know that Aero will finally release their .45/10mm lower for a decent PCC.

It's an extension, right? So there's a ton of leverage on the bottom of the mag on the base pad rails. No way around it.
So using it as a club is a bad idea.

How about practicing reloading and carry an extra mag?
I carry 2 spares, that gives 40+ rounds out of my 23
with about 3 seconds between reloads (I know I should work on it, but I’m not shooting competition)
What’s an extra 2-3 in the mag worth if you risk ftf or other failures?

I have a bunch of SGM 10mm mags. They all run well.

Personally, the ETS magazines I have for my Glock platforms have performed very well. There have been some improvements over the initial product line over time.
Korean Glock magazines are CRAP. You might think they are better because they are metal lined, but the polymer used in the body of the magazines is cheap. Load one and then it will bulge out in the grip of your handgun. Get stuck, then jam and not drop free.
Been waiting a long time for Glock (OEM) to make larger capacity magazines for .40 cal, 45 ACP and 10MM.

Depends on what you’re putting them in. Some of those type mags designed for Glock, only work 100% in Glocks. Other platforms may be less reliable.