I’m a fan of OEM, but have no problems carrying with Magpul or ETS. And my primary carry in my G43X is a Shield Arms S15
I shoot steel almost exclusively and I run PMAGs in Glock 19 and Glock 17 all the time. I am also running Glock 21 rounders in my AR9 with no issues. I wonder if it is because I get my 9mm with lacquer vice poly. I have ran the poly in my Glock 17 and Glock 19 ones when I forget it run them.
I do have ETS but they were because they were 9.99 each for 31 rounders.
I didn’t see any issues until it got colder out - say in the 40, low 50s with the PMAGs. I had several range trips through them, so they had a couple hundred through each of them (3xP15 / 3xP17s) and I was shooting mostly Wolf 115gr Military Classic and some Tula 115gr ammo. It seemed to start with the Tula one range trip, which I initially attributed to the G19 I was breaking in. Cleaned the gun and the mags, then tried again. Same general result with Wolf, then I started to figure it out by flicking the rounds out and seeing they were very very slow coming up. Used OEM mags with the same Wolf / Tula ammo and G19; ran like a top. After that I just stopped using them with steel, then sold a ton of unopened spares off.
I have some 22rd ETS that have been fine with everything, but don’t get me started on their G43 mags (they suck ass).
I use mostly factory mags, but have a bunch of Magpuls for my 19 and 17. I also use the 21 rounders in my carbine. They have been 100% for me. I have not shot steel ammo out of them. Like others have stated though the OEM mags are affordable enough for me.
I have had bad luck with ETS mags especially for my 43.
Korean mags are a no go.
I do particularly like the Magpul 21s for spares.
The KCI mags are great for training clearing jams, etc. Shouldn’t be anywhere near your carry gear however.
Magpul mags haven’t given me any issues but it seems like no matter how hard you try you can’t get the full capacity loaded in them.
Factory Glock mags have never been a problem.
I’ve had good luck with Magpuls too and recently ordered more. The Korean Mags, not so much. I do have some ETS Mags, but haven’t run them enough to feel like I can trust them yet.
I have about 10 each of Magpul 15, 17, and 21 round Glock mags with a few mag related failures early on. I mainly use the 21 rounders for range days at work.
My carry and duty mags are OEM Glock. The duty mags have the Glock +2 basepads so they will run with my Dawson ICE magwell.
I run mostly OEM mags but magpul has given no problems. I run OEM with TTI base pads for USPSA carry optics and have started running a magpul 21 round mag to test in high round count use, so far the magpul has been 100% after a year of use.
I run OEM in my Glock pistols, but a combo of ETS, Magpul and Glock in my Extar EP9 with no problems…
I run mostly OEM Glock for my G22 & G17, but also have some Magpul that are handy, especially when the Glock mags happen to be unavailable. I initially had some feed problems couple of years ago with OEM G17 mags, but after a bit seemed to sort itself out. I have some Glock OEM 10 round mags I got during the Brady bill years, & I use them exclusively as range so they’re pretty beat up, but still function after all these years without any spring replacements.
Just ran another 40 flawless rounds through my PF9C using Magpul mags, 17 and 21 rounder, no issues at all.
I’ve used everything I can get my hands on over the years.
I bought into Glock (17 gen 4) a day or two after Sandy Hook after years behind 1911s. I was well behind the curve on magazines and whatever was in stock got stuffed with ammo and used.
KCI are hit or miss and in my experience more hits than not. Out of maybe 16 of them, I’ve only had one malfunction, from one mag and a consistent one at that…failure to lock the slide back on empty. After seeing everyone else’s issues, they are practice only for me. One never knows when something is going to “lemon” on them and I’d rather just use high-potential lemons for range fodder. At times, they can be had for 8 bucks, so why not?
SGM seems to be KCI but are quality checked stateside before being sent out. Good fit, finish and function but a bit pricier than KCI.
ETS is neat and I love seeing the rounds. I’ve dropped a few loaded on gravel and cringed but after checking, there were no problems other than some scratches. Always functioned well.
Magpul I’ve never had issue with, though the lack of metal insert bugs me. Probably isn’t an issue in reality but I’m weird like that.
The only carry mag for me is OEM, though.
OEM and KCI have been completely flawless for me including several hundred rounds of Winchester forged steel case.
ETS and Pmag both choked on forged. Both would get a round stuck about half loaded requiring jarring the round looose. Not sure exactly what would happen in the pmag, but the ets would often stack 2 of the forged on top of each other instead of staggering. Both brands have been perfect with brass and aluminum.
I prefer oem mags. That being said i keep about 4-5 pmags that are used only in range sessions and training but have been 100 percent flawless. Oem for me are edc and stock piling. I wouldnt feel scared if all i had was pmag though and i have never shot one round of steel cased ammo in my glocks so i cant comment on that.
I bought a couple Magpul Glock mags back in like 2016 maybe, but never even unwrapped them. I basically just buy OEM mags now.
My question is about the Glock +2 extensions. Are they gtg? It seems like I’ve heard anecdotes of mags with the extensions on them being dropped or bumped and the extensions popping off and dumping their payload of rounds, however the extensions seem to be in pretty wide use so it doesn’t seem like they could be too trouble prone.
I’ve thought about getting the extensions for my 24 rounders to see if they might fit better in my Uzi mag pouch. Standard 24s sit a bit too low in the pouch to be easily extracted, I’m thinking a +2 might make them a bit easier to grab.
And here’s one thing I’ve always wondered. The Glock 33 rounders are basically 31 round mags with the +2 extension. That’s pretty much the standard configuration you see for them. How come Glock doesn’t just produce a straight up 33 round mag in lieu of the 31+2 mag?
I think you hear about the non OEM extensions popping off, e.g., the taran tactical type extensions. I have never heard anyone discuss the glock OEM +2 extensions popping off.
The OEM +2s are hard enough to put on, that is for sure! Mine have been fine (+2s on G17 mags and OEM G19X 19rd mags).
I’ve used 9mm ETS mags for Glocks in the 17 rd sizes and 31 rd sizes (all smoke/clear) for a few years. I wouldn’t trust my life to them, but I don’t think I’ve ever had a malfunction. This is using them with brass case ammo and aluminum case Blazer, in a Glock handgun and AR style carbine that takes Glock mags. I really like the fact that the mags are clear.
Joe Mamma
I had thought it was the OEM extensions that I heard that about, however I could easily be misremembering.