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AR15.COM
5/16/2011 6:32:15 AM EDT
Good morning!

I recently purchased a G19C for my wife.  After picking it up last week, we took it to the range for the first time yesterday to put a few rounds down-range.  We were shooting Winchester White Box from Wally World, and using the factory 10-rnd mags that came with the gun, as well as some mags for my G34.

I was extremely disappointed that this pistol could not get through a magazine without a stoppage.  In fact, it was double feeding so badly that it became a one-shot gun, having to clear a malfunction after every trigger pull.  Things were marginally better with the G34 mags, but it still experienced repeated double feeds.

This is a brand-new gun, no custom work, stock, right out of the box.  I'm taking it back to the shop where I purchased it, but I was wondering if anyone had any idea what might be wrong!  My G26 and G34 are uber reliable, and I was expecting the same from this recent purchase.

Any ideas?

Thanks!

Mil-Spec
5/16/2011 6:33:57 AM EDT
[#1]
Another satisfying experience with the new extractor?
5/16/2011 6:37:32 AM EDT
[#2]
The malf? Was it a stove pipe?

Did it happen with only one shooter? And not the other?
5/16/2011 6:43:32 AM EDT
[#3]







Quoted:




The malf? Was it a stove pipe?







He said it was a double feed.
That is a Type III stoppage that leaves the spent case in the chamber and the next cartridge jammed in against its head.











It can also refer to a malfunction where a defective magazine allows two or more cartridges to "pop out" and jam the weapon in various specific ways.
 
5/16/2011 6:55:17 AM EDT
[#4]
The Type III malfunction (It was 2 live rounds - a double feed) was happening with both my wife and I .  My initial thought was that her grip may have been causing the problem (Sorry hun!) but the same thing happened with me.

I wasn't impressed with the performance of the extractor - the shells almost seemed to "dribble" out of the ejection port.

I've never had a new gun perform like this, and especially not one whose reputation is based on rock-solid reliability.

Mil-Spec
5/16/2011 8:06:12 AM EDT
[#5]
The spents "dribbling" out of the ejection port likely has nothing to do with the extractor.  That usually happens when a gun is oversprung or is limp wristed, and since it's a Gen4, it's probably a bit of both.  

I don't know how much experience you have with handguns, but your grip should be as high on the back strap as you can get it.  Your grip should be firm.  If you're holding it loosely and letting the shot "surprise" you're doing it wrong.  

Good luck with it.
5/16/2011 9:12:57 AM EDT
[#6]
This G19C is a Gen 3, and I've had significant shooting experience over the last 25 years - grip wasn't an issue with the malfunctions.

Any other thoughts as to what could be the cause?  I'm taking it back to the shop tonight.

Mil-Spec
5/16/2011 10:53:51 AM EDT
[#7]
Quoted:
This G19C is a Gen 3, and I've had significant shooting experience over the last 25 years - grip wasn't an issue with the malfunctions.

Any other thoughts as to what could be the cause?  I'm taking it back to the shop tonight.

Mil-Spec


Off the top of my head:
-Out of spec or damaged ejector.  
-Dirty or damaged chamber.  
-Ammo out of spec.  
-And anything that would cause the slide to move too slowly (Dirty or unlubed rails, mis-aligned recoil spring after re-assembly)
5/16/2011 11:00:58 AM EDT
[#8]
If its not a gen4, send it back.
5/16/2011 12:01:39 PM EDT
[#9]
Also, check the extractor for chips.  If it is good, you could have a bad extractor spring...lots of things it could be.  Thing is, none of them are likely.  Glock is pretty squared away with their QC.  Far more likely it's either dirty or unlubed.

Also, look at your mags.  Do they hold the top round securely, are they indeed 9mm mags (sometimes things get swapped at the gun store)?
5/16/2011 12:18:35 PM EDT
[#10]
Consider bad or weak ammmo.... WWB has a bad rep these days.
5/16/2011 12:28:45 PM EDT
[#11]

i would also suggest trying different ammo. The only malfunction i've had with my G17
was with WWB. The sound was more of a poof than a bang, a really weak round and

the slide came back about an inch and rechambered the empty case.  
5/16/2011 12:47:34 PM EDT
[#12]
Milspec,

When was the gun produced?
5/16/2011 1:11:43 PM EDT
[#13]
Thanks for all the suggestions!

The gun wasn't dirty or dry - I inspected, cleaned, and lubed it before going to the range yesterday.

The WWB ammo was functioning with no problem in my G34.  I also had some S&B, and it malfunctioned with it as well.

I was getting double feeds from both the factory 10rnd mags, as well as the factory 17rnd mags for my G34.  I can double check to make sure the 10rnders are actually 9mm and not .40, but I'm 99% sure they are 9mm.

I'm not sure of date of manufacture, I can check when I get home tonight.

One of the reasons I purchased the G19 was because of Glock's solid reputation, and the performance of my G26 and G34.  This is a perplexing problem to have with a brand new gun.

Mil-Spec
5/16/2011 1:34:09 PM EDT
[#14]
Mil



As tempting as it may be, do not write Glock off based on this experience alone.



I have a Gen3 G19 and it is the benchmark that I hold all other guns to.



I have put probably 4000 rounds through it and I have not had a SINGLE jam/feed issue.  Not one.  Not ever.



My G27, same story.



Between myself and a few of my friends, we have probably a dozen glocks and none of us have ever seen any of them jam, under any conditions.



When you sell millions of guns a year all over the world, no matter how amazing your quality control is, one is bound to slip out with a problem.



Contact Glock, they are VERY VERY helpful.  The only guy I have known who had a problem with his Glock, sent it in, and Glock changed out numerous springs, plus the extractor free of charge, his gun came back running just as its namesake implies.




5/16/2011 2:55:12 PM EDT
[#15]
If it is a live round double feed then it is a magazine issue.
5/16/2011 4:28:47 PM EDT
[#16]
Some of the slide velocity is lost with a C. Couple that with some weak 115 gr WWB and a new gun, I could see it happening.
5/16/2011 5:03:14 PM EDT
[#17]
What number followers are in those mags? If they are the 2183-1, replace them.
Did you try any other ammo?
5/16/2011 5:42:35 PM EDT
[#18]



Quoted:


What number followers are in those mags? If they are the 2183-1, replace them.

Did you try any other ammo?


As was explained to me by my Glock rep I spoke with, the 10 round magazines can't accept standard cap followers, due to a different design. Of course I was calling in reference to a .40 10 round magazine, but I would imagine the same holds true for the 9mm. So the only thing he could do is get a new #1 follower.



 
5/17/2011 6:39:22 AM EDT
[#19]
i think m4-ak is on the right track- take ammo that has a reputation for weak function and add the function of the c ports to the mix and that is where the problem may rest. try some different ammo before blaming the gun.
5/17/2011 9:33:58 AM EDT
[#20]
Quoted:

Quoted:
What number followers are in those mags? If they are the 2183-1, replace them.
Did you try any other ammo?

As was explained to me by my Glock rep I spoke with, the 10 round magazines can't accept standard cap followers, due to a different design. Of course I was calling in reference to a .40 10 round magazine, but I would imagine the same holds true for the 9mm. So the only thing he could do is get a new #1 follower.
 


Unless they have changed, u can definitely change followers. The issue was with 147 gr bullets catching on the feed ramp with the old 2183-1 followers.
5/17/2011 9:41:46 AM EDT
[#21]





Quoted:





Quoted:
Quoted:


What number followers are in those mags? If they are the 2183-1, replace them.


Did you try any other ammo?



As was explained to me by my Glock rep I spoke with, the 10 round magazines can't accept standard cap followers, due to a different design. Of course I was calling in reference to a .40 10 round magazine, but I would imagine the same holds true for the 9mm. So the only thing he could do is get a new #1 follower.


 






Unless they have changed, u can definitely change followers. The issue was with 147 gr bullets catching on the feed ramp with the old 2183-1 followers.



Well like I said, I was asking about changing the followers on .40S&W 10 round mags. If what you say is true, than you guys are lucky, and I really need a G19.



ETA - Just called Glock: .40 10 rounders are still running the #1 follower. G19 10 rounders have 3. The -1, -2, and then they have one that starts with 99 that they install if someone reports a problem with last round lock up running hollowpoints.



So yea....I'm getting a G19 lol





 
5/17/2011 9:50:03 AM EDT
[#22]
Thanks everyone for all the suggestions!

I took the gun into the shop last night (Sac Black Rifle in Rocklin - awesome guys!) and their Glock armorer took a look at it and the associated mags.  All individual components were functional, and he could see no obvious problems with the mags.  He referred me to Glock's tech support line for additional assistance.  I called this morning, and I'll be sending the gun in for diagnosis / repair.

To answer some of the questions:

The double feed problem occurred while using both factory 10-rnd and 17-rnd magazines.  I was using two different types of 9mm ammo, Winchester White Box and Sellier & Bellot, which made no difference in the frequency of the Type III malfunctions.  The malfunctions were happening for both my wife and myself, so I eliminated grip as a contributing factor.

I'm hoping they can tune it up so it runs like the rest of my Glock family - flawless!

Thanks!

Mil-Spec
5/17/2011 11:23:50 AM EDT
[#23]
Was in the Back Rifle shop last week. I have a 17c and my brother has the 19c. My 17c will eat anything. But the 19c does not like weak ammo. With the comp ports closer to the chamber, it makes the pressure drop faster. The 17s has a bit longer barrel and the ports are farther down the barrel. Leaves higher pressure in the barrel for longer. Some of my 17cs lighter reloads don't function 100% in the 19c. Wwb is bad for being under powered. The umc has had better luck in the 19c.

With your malfunction type, not sure if light loads is the issue. I would pick up some different ammo and try again. Also it does take a little time for the gun to break in. But with as many malfunctions as you are having, I think you might have a real issue.
5/17/2011 2:26:18 PM EDT
[#24]
he said his was double feeding 2 LIVE rounds...thats not an ejection problem..so weak ammo and ports doesnt matter...
5/17/2011 2:27:44 PM EDT
[#25]
if someone you know has a standard G19 barrel that you can borrow see if that works.