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Posted: 4/19/2014 8:40:02 PM EDT
[#1]
You might want to try some different ammo. Isn't that WWB ammo notoriously weak?
Did you change the recoil spring? A lighter recoil spring can cause the slide not to go into battery. I use a 13 lb IMSI spring with no problems though. |
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Posted: 4/20/2014 3:03:09 AM EDT
[#2]
my guess also is that it is ammo related.... additionally, you will probably get a lot better 25y accuracy, I did, switching to heavier 147grain ammo....I run an uncaptured guide rod with a #17 ISMI spring in my G34 with 147s at about 935fps for USPSA and 3 gun
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Posted: 4/20/2014 4:14:49 AM EDT
[#3]
Thanks for the replies. It is bone stock. I have a big stock pile of wwb 115gr and American eagle 115gr because that's all I can find around here so hopefully I can continue to use it.
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Posted: 4/20/2014 4:21:33 AM EDT
[#4]
Yeah, WWB is known for weak loads here and there. I've had a few weak loads and even a few bad primers that wouldn't go off at all.
Run a box of a couple different kinds of ammo through it and see if you keep having the same problem. |
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Posted: 4/20/2014 9:24:53 AM EDT
[#5]
I'd start with the ammo, but you might also check to make sure that the extractor is moving freely.
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Posted: 4/21/2014 2:47:26 AM EDT
[#6]
Thanks for the help. Next nice day we have I will finish off the box of wwb and the. Switch to American eagle and see what happens
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Posted: 4/21/2014 2:37:31 PM EDT
[#7]
So just had a little time to shoot. I shot up the last of the wwb maybe 40 rds. Out of those I had 2 more failure completely go into battery. I'm thinking it's ammo related because I tried to load the 2 bullets again to shoot them and the same problem happened. Here is a pic of the 2 bullets that wouldn't work in the gun. They both have a matching scratch in them. One is a little deeper. Sorry crappy pic.
I didn't have time to try a different brand of ammo but will within the next few days. Maybe it was just a bad batch of wwb. 
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Posted: 4/21/2014 3:52:48 PM EDT
[#8]
Is the gun clean, especially the rails?
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Posted: 4/21/2014 4:28:03 PM EDT
[#9]
WWB seems to have the longest OAL of all the factory 9mm loads I've seen. Still in spec but longer than most. 1.6+ from what I recall. They still should work in a G34. I'd mic them and try a plunk test. You may have bad ammo or you may have an out of spec chamber on that barrel.
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Posted: 4/21/2014 4:38:13 PM EDT
[#10]
Probably an ammo problem. Make sure the gun is relatively clean - especially the chamber. Glocks generally don't mind being dirty, but when diagnosing a problem it's best to make sure that variable is eliminated.
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Posted: 4/22/2014 12:16:15 AM EDT
[#11]
Yup gun is spotless. I cleaned it before I shot the classifier and then cleaned again when I got home from the match. So it was clean both times before I shot it and had the malfunctions.
If it's nice out tonight when I get home I'll try some American eagle 115gr. I'm still assuming its ammo related. The first 400 or so rounds fired from the gun where wwb and American eagle and I had no issues except for a little brass to face once in a while but that seams to have worked itself out. |
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Posted: 4/22/2014 6:11:23 AM EDT
[#12]
Are the rounds getting stuck in the barrel when the slide won't go into battery? In other words, the round won't chamber at all. I've had this happen when a reload wasn't sized properly.
You can use the barrel as a case gauge to check. |
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Posted: 4/22/2014 2:16:29 PM EDT
[#13]
So I took the barrel out of the gun, dropped one of the bad rounds in then one from a new box of wwb. They both fall in fine but the bad round sticks out just slightly further. Could this be my issue? It's hard to tell in the pics but the distance is just noticeable.
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Posted: 4/22/2014 5:43:30 PM EDT
[#14]
I've had 4 rounds of WWB like that so far this year, pulled them apart with a bullet puller and measured the cases and they were all over max case length. I'd take pics but they have since been trimmed down and added to my brass stash.
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Posted: 4/23/2014 6:12:29 AM EDT
[#15]
Thanks. Yeah I should probably switch to a different brand ammo. Too bad I bought a bunch of the wwb though.
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