View Full Version : Glock 19X slide lock issue
Haven't seen a lot searching the internet for it... has anyone heard of issues with the 19X failing to lock open on the last round? And/or stove pipes on just the last round?
Have a 19x with a few hundred rounds through it and really confirmed today it was having this issue. Tried multiple magazines (mix of factory and PMag) and all but like 1 had the problem.
I'm mostly confident it isn't a grip issue... but probably need a second set of eyes on that one.
Could be ammo I suppose? But I'm only having problems on the last round. Feeds and cycles fine otherwise.
What else should I try / be looking at?
Thanks
Are you Left or right handed?
Do you shoot other glocks? If so which?
Does it happen one handed?
Asking to eliminate support hand interference as a cause.
boombotz401
09-08-18, 19:08
Which ammo? How far is it ejecting?
If your a lefty like myself check your thumb, had to adjust my grip slightly years ago because brass would hit my thumb and actually send the brass back into the port
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As far as what ammo, no idea. Probably either magtech or fiocchi. I store my 9mm loose in an ammo can. It appear to be ejecting mostly to 3-4 oclock and the next bench over was littered with my brass :D
I am a lefty. Was trying to be conscious of my grip but that could still be a factor.
Had a gen 3 glock 19 that I traded in for this one. Have all the same mags and never experienced the issue before. I checked like 8 mags (mix of factory and pmag) and they almost all did it. Some inconsistently.
I didn't think to try it one handed on the range, I can certainly do that though.
I had a couple of failures to feed on a last round with my 19x but it got fixed by eliminating an offending mag.
The idea of shooting one handed is a solid one but it introduces another variable that may affect functioning. I am told that a regular one sided slide stop from previous generations of Glocks would work just fine. I'd install it and went to shoot that 19x with a regular two handed grip.
Haven't seen a lot searching the internet for it... has anyone heard of issues with the 19X failing to lock open on the last round? And/or stove pipes on just the last round?
Have a 19x with a few hundred rounds through it and really confirmed today it was having this issue. Tried multiple magazines (mix of factory and PMag) and all but like 1 had the problem...
Are you experiencing failures to lock back or stovepipes or both?
Haven't seen a lot searching the internet for it... has anyone heard of issues with the 19X failing to lock open on the last round? And/or stove pipes on just the last round?
Have a 19x with a few hundred rounds through it and really confirmed today it was having this issue. Tried multiple magazines (mix of factory and PMag) and all but like 1 had the problem.
I'm mostly confident it isn't a grip issue... but probably need a second set of eyes on that one.
Could be ammo I suppose? But I'm only having problems on the last round. Feeds and cycles fine otherwise.
What else should I try / be looking at?
Thanks
If it's happening on the last round, it is likely going to be mag springs. I have seen out of spec springs on new mags before. If it was occurring randomly throughout your shooting session, It could be other things, but I'm betting it's mag springs.
Keep track of the mags also, and FYI magpul magazines have had problems in the past. I use them from range and haven't had any issues with them, but I know folks who have.
Yes it could still be your grip as well. A little test would be to pull the slide release out completely or throw a 3rd gen release in and run some mags through like that. Yes it won't lock back on the last round, if you take it out, but your grip won't affect it either. That's a sure way to rule out grip.
TXPO
LowSpeed_HighDrag
09-09-18, 16:13
I have had issues with Magpul mags in my Glocks, especially not locking back on empty, to the point that got rid of them. Just FYI.
Are you experiencing failures to lock back or stovepipes or both?
Occasional stovepipe but only on the last round.
I know this screams magazines... but I have a whole pile of factory/pmag glock 17 mags from when I had a regular glock 19 and never had this issue. So I really don't think it's weak mag springs.
Can you swap out the ambi slide stop with a regular one in those?
Upon further experimentation, I'm fairly certain I was riding the slide release. Was messing around with some empty mags and that slide release is SUPER sensitive. Barely touch it and the slide won't lock back. Being left handed, that's never been a concern for me, my thumbs are on the other side anyway.
Going to have to retrain my grip I guess.
If it's happening on the last round, it is likely going to be mag springs. I have seen out of spec springs on new mags before.
TXPO
What are the specs on the mag springs?
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For those curious, I did run all of my mags one handed and it locked back each time. So again, not mags.
My only question is are the slide stops normally so sensitive that you can just brush it and cause a failure to lock back?
dwhitehorne
09-18-18, 12:32
For those curious, I did run all of my mags one handed and it locked back each time. So again, not mags.
My only question is are the slide stops normally so sensitive that you can just brush it and cause a failure to lock back?
Yes. The slightest amount of contact or even bumping it under recoil can affect operation. David
Street Survival
09-25-18, 07:05
Easy test: Try shooting the firearm with just your opposite hand to ascertain if it still happens? I bet it doesn't.
I finally got around to taking my 19x (bought it back in the summer) with me to the range today. For any amount of reasons it never came with me until today.
Anyway, I absolutely hate the thing so far.
I was shooting Remington UMC 115 gr. fmj and ran 120 rounds of it through the 19x; I also brought a number of different mags with me along with two of the mags that came with the gun.
I was shooting the 19x along with my gen 3 17. The 17 ran flawless, like it always dose. The 19x, not so much. I did not try the mags that came with the 19x in my 17, but here was my experience with the gun.
1. It failed to lock back on the last round no matter what mag I was using it.
2. I had multiple failure to feeds across all the mags I used in the gun
3. I also had a failure to eject towards the end of my session.
have these issues been standard across the board with people the first few times they've run this gun? I'm going to bring it back with me again next weekend with different ammo and mags to see if it runs better than it did today. I want to like this gun, but it might be getting used as a trade in towards something else if next week's range session goes the same as this morning's.
I finally got around to taking my 19x (bought it back in the summer) with me to the range today. For any amount of reasons it never came with me until today.
Anyway, I absolutely hate the thing so far.
I was shooting Remington UMC 115 gr. fmj and ran 120 rounds of it through the 19x; I also brought a number of different mags with me along with two of the mags that came with the gun.
I was shooting the 19x along with my gen 3 17. The 17 ran flawless, like it always dose. The 19x, not so much. I did not try the mags that came with the 19x in my 17, but here was my experience with the gun.
1. It failed to lock back on the last round no matter what mag I was using it.
2. I had multiple failure to feeds across all the mags I used in the gun
3. I also had a failure to eject towards the end of my session.
have these issues been standard across the board with people the first few times they've run this gun? I'm going to bring it back with me again next weekend with different ammo and mags to see if it runs better than it did today. I want to like this gun, but it might be getting used as a trade in towards something else if next week's range session goes the same as this morning's.
Actually no, the 19X's have been extremely reliable and trouble free so far from what have I have seen and read.
TXPO
Hmmmm...none of my Glocks do that, and I never had one that did. :eek:
Sounds like its time to contact Glock.
Hmmmm...none of my Glocks do that, and I never had one that did. :eek:
Neither have I until yesterday. It was frustrating to say the least. If it wasn't for the fact that I've run Glocks for some time and I had my 17 with me, I'd blame myself, but the 17 ran like a champ using the same mags (minus the 19x mags) and ammo. Who knows maybe it was user error, maybe the 19x hates my grip on it!?
Sounds like its time to contact Glock.
Either that or just offload the thing at my local gun shop. I haven't decided yet.
Remove any aftermarket parts that are installed and return the gun to factory condition.
Clean and lubricate your gun and magazines per user manual.
Use the mags that came with your gun.
Use high quality ammunition.
Take a video of you shooting your gun. Focus on your hands, both sides of the gun.
Have a trained, practiced shooter run your gun. Report results, esp differences from your results.
It's a bitter pill, but it's almost always the shooter.
I haven't updated this in awhile, but FYI: https://www.m4carbine.net/showthread.php?204711-Review-G19X-w-Shooting-Results
Another ~20 G19Xs are doing as well, as are the G45s trickling in.
Remove any aftermarket parts that are installed and return the gun to factory condition.
Clean and lubricate your gun and magazines per user manual.
Use the mags that came with your gun.
Use high quality ammunition.
Take a video of you shooting your gun. Focus on your hands, both sides of the gun.
Have a trained, practiced shooter run your gun. Report results, esp differences from your results.
It's a bitter pill, but it's almost always the shooter.
I haven't updated this in awhile, but FYI: https://www.m4carbine.net/showthread.php?204711-Review-G19X-w-Shooting-Results
Another ~20 G19Xs are doing as well, as are the G45s trickling in.
Just read your write up, very good review. I should have mentioned in my gripe that gun did shoot amazing when I wasn’t dealing with the issues I mentioned. After reading further on here and other pages, the problem most likely does have to do with my grip on the gun while I was shooting and I know I wasn’t using the greatest ammo.
I have to decide how invested I want to get with this gun though, honestly. I enjoy my 17 over all my other pistols, i shoot it the most and have a good comfort level with it. We’ll have to see, I appreciate your advice though and will put it to use if I continue to have issues with this particular gun.
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