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Glock 27 Reliability using Glock 22/23 magazines?

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glock 27
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26K views 35 replies 31 participants last post by  Ernest72  
#1 ·
I have carried a Glock model 27 and have used Glock model 22 magazines as back up magazines for many years but recently i have read a few people have noticed that the Glock model 27 is not as reliable with the extended magazines as other Glock models.

When i go to the shooting range for practice i rarely use the extended magazines but i have tested them in both of my Glock model 27's and they seem to work fine. I own a Gen 2.5 and a Gen 4.

I would be interested in knowing how many people have had issues with the extended magazines in their Glock model 27 guns?
 
#2 ·
The only way I can shoot a 26 is with a 19 mag and a magazine spacing band. I have never had any troubles with it.
Not a 40, and that well could be the difference, but that is another reason I don't care for the 26.
I carry a 22 mag for my 23 as a backup quite regularly, but the 23 has a man sized grip, and no pressure on the magazine.

Afterthought: Use EVERYTHING you carry to practice. For the read malfunctions, we never know the state of repair, the compatibility of the magazines, or the shooters, in question. Pressure on a long mag can cause problems, but not a given. Keep your equipment maintained and make sure everything works together.
Cheers
 
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#4 ·
I use G23/G22 mags in my G27 sometimes. I never have a malfunction with normal use. Just to test it though, I put a lot of pressure on the mag with my pinky finger, and while doing that I can induce a malfunction sometimes.

I really have to try to induce that malfunction. I think with normal use you'll never see a problem. I haven't tried that test with my G26 using G19/G17 mags. But I do regularly shoot my G26 with the bigger mags and I have never had a malfunction.
 
#11 ·
For years I carried my 27 with a 22 mag as a reload (no X-Grip). I had only briefly tried the combination. "It's a Glock".

After reading of potential issues, I spent a couple of extended range sessions exclusively with the longer mags. A majority with FMJ but with a healthy mix of carry HP's as well. It was perfect.

I do recommend that range session(s) for anyone that carries a 26/27. It lets you feel the function and balance of the gun with the longer mags. It also puts the mind at ease for any potential problems.
 
#12 ·
100% reliability no issues at all.
 
#13 ·
My experience is with the G26 and G19 mag carried as spare.

I guess I must have a "death grip" when I shoot because the fews times I used a X-grip (G19 mag) with the G26, my grip style caused the mag to be mis-aligned, causing feeding issues. But the many, many, many times I simply reloaded G19/G17 mags directly to the G26, never an issue.

So I no longer use X-grips. The CCW G26 has the standard G26 mag when CCWing and a plain G19 mag as reload.
 
#14 ·
I have carried a G27 for well over 20 years. I normally carry the standard G27 magazines but occasionally carry one of my G22 mags instead. I regularly use all of my G27 and G22 mags during my range visits and have had ZERO problems. I have considered carrying my G22 mags regularly, but they just don't fit my fanny pack as well as two of the standard G27 mags.
 
#15 ·
Ditto here. I have shot a bunch of different loads in my former G27 G3, and my now G27 G4, with G27, G23, G22 mags. I have NEVER had a malfunction in either pistol, with any Glock .40 cal. mags, from bunny fart target loads, to near nuclear powered 40 S&W loads, if there is such a thing(trying to trigger 10mm Koolaid drinkers ;)). YMMV, but I am so convinced of the reliability of my .40 cal Glock mags, that my G27 G4, and my G23 G4, both use G22 mags as re-load SD mags. I even picked up some G22 LEO trade-in mags, from Glock, at a GSSF match, marked them, but added them into my mag pile thinking if I ever have a malfunction, I might be able to excuse it because it was a trade-in mag...Still waiting for a malfunction, and many hundreds of rounds have been fed through my mags(I have a range behind my shop, that allows for regular SD/Comp. practice). I have also tested G21 mags in my G30 SF...Never had a malfunction there either, and I shot the G30 SF a number of times in GSSF matches, always with G21 mags. I have a brass-to-the-face issue in the G30 SF, shooting my bunny fart competition target loads, but even with wimpy extraction, the G21 mags run reliably in the G30 SF, too. Accounts of unreliability may be an individual pistol, or mag, thing but from my experience with a number of Glock pistols, I don't believe it is a general issue in Glock pistols. With that said, thoroughly test all pistol/mag/ammo combinations before putting into SD service.

Squeeze
 
#17 ·
I've observed a fair number of our folks bring G27's through qual ranges over the years, and a number of them have used G23/22 mags as their spare mags.

Interestingly enough, I can't remember seeing any of them ever experience a feeding stoppage related to a mag when using their 9rd stock mags, but I can think of a few of them sometimes experiencing feeding stoppages when using G23/22 mags in their 27's. When it happened, being able to fall back on their standard 9rd mags resolved the problems so they could complete the qual courses-of-fire.

While I'd not be surprised that weakening mag springs in the longer 23/22 mag tubes might sooner exhibit feeding issues when being run in the faster cycling, lighter slide mass G27's, not all of the longer mags being used were "old" when it came to mag spring life.

I remember one of the guys who experienced feeding issues when using a G23 mag (w/sleeve) telling me that his G23 "primary" mag was only 3 years old, and he only fired his G27 quarterly (he was authorized to carry his G27 as a "primary" weapon in specialty unit). His standard 9rd mags, which were actually older, fed/functioned just fine in his G27 (and luckily he carried them as spares). Well, to be fair, I've known of the occasional mag spring (and not just for Glock) that "tired" or weakened sooner than might normally be expected, but they're easy to replace if they become symptomatic.

Bottom line? Anything carried for duty/personal use needs to be inspected for normal good condition and checked/used to confirm proper function periodically.

I've not had an urge to use 23/22 mags in my own G27 since I bought it and have been using it since '04. I have, however, commonly used larger mags in my issued 6906 9mm's (meaning 15rd mags as spares instead of the standard 12rd mags), and the next larger single stack mags for my 9/.45's (8rd in a 7rd 9mm; 8rd in a 7rd .45; and 7rd in a 6rd .45). I always did a lot of test-fire and range training/qual function confirmation, though, since my life depended on them functioning. ;)

I've never cared whether guys & gals used longer mags in their small pistols which were originally designed for larger pistols, since those decisions have typically been made above my pay grade. I just rolled with whatever policies were in effect at any given time (although I was asked for my input as an instructor and armorer, from time to time).
 
#18 ·
My experience is just about identical to Fastbolt's, above. Over the years, I started with (my 1st Glock) a "Gen 2.5" G27, probably back in ~1995. After selling it, I later bought a Gen3 version. As I recall, as this was some time ago, I did have some intermittent failures to feed using G22 mags.

Over the years, the G22 mags had a few changes. The changes involved:
-mag bodies changing from Non Full Metal Lined (NFML) to fully-lined bodies;
-different followers, which are now up to version 10;
-and mag springs going from 10-coils to 11-coils.

Each gun, the mags, and the shooter all need to verify the equipment is periodically working, which also entails what ammo and even how old/new is the RSA.

(A personal example being I couldn't reliably shoot a G22gen3 reliably using only my left hand (an actual related limp wrist issue) unless I used 11-coil mag springs. Glock typically specified these 11-coil mag springs with a G22 when using a weapon-light.)
 
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#19 ·
it's a crap shoot. my 3rd gen 27 will not feed 23 mags, period. xgrip did nothing as there was still slight play, which affects angle of follower. always get a chuckle when someone mentions not placing pressure on mag; things go pear shaped - keep thinking to yourself - teacup pinky finger, teacup pinky finger... fwiw, most of what i've read in past is that issue seems to be isolated to 27; 21 mags just fine in my 30sf, fun sticks just fine in 17, etc. .02...
 
#21 ·
I have carried a Glock model 27 and have used Glock model 22 magazines as back up magazines for many years but recently i have read a few people have noticed that the Glock model 27 is not as reliable with the extended magazines as other Glock models.

When i go to the shooting range for practice i rarely use the extended magazines but i have tested them in both of my Glock model 27's and they seem to work fine. I own a Gen 2.5 and a Gen 4.

I would be interested in knowing how many people have had issues with the extended magazines in their Glock model 27 guns?
*I have seen and heard of this before : The only reliable way to use an extended magazine for G26/27 is with an aftermarket grip sleeve on the extended magazine to keep everything aligned properly . the reliability issues are from your fingers gripping the magazine and pulling it towards the back of your hand . *Unless you can keep your fingers off of the extended magazine under stress , you are bound to have reliability issues with extended magazines .
 
#25 ·
I've had 3 27's. I carried all of them in the winter with a sleeved 23 mag and a 22 mag as backup. Thousands of rounds through sleeved and unsleeved 23 mags, and unsleeved 22 mags and never had any issue. I switched back to carrying a G23 since I started carrying the sleeved 23 mag year round and figured if I'm going to carry a G23 mag full time, it might as well be in a G23.
 
#28 ·
I have carried a Glock model 27 and have used Glock model 22 magazines as back up magazines for many years but recently i have read a few people have noticed that the Glock model 27 is not as reliable with the extended magazines as other Glock models.

When i go to the shooting range for practice i rarely use the extended magazines but i have tested them in both of my Glock model 27's and they seem to work fine. I own a Gen 2.5 and a Gen 4.

I would be interested in knowing how many people have had issues with the extended magazines in their Glock model 27 guns?
The issues that some may be having is due to their pinky gripping the 22/23 magazine too tightly and pulling it rearward enough to cause an issue. That would be the only scenario I could envision. An Xgrip would solve that potential issue, if it really is an issue at all. I use an Xgrip on my G26 with G19 mags and never had an issue, though to be honest, I never had an issue without it either.