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Veralai

ZEV OZ9 - Snapped Firing Pin & Failure to Extract

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I purchased an OZ9 directly from ZEV last month, and I’ve got about 1,300 rounds through it so far. 
 

My first range trip with it I had 70 rounds in And my firing pin snapped. I called ZEV right away and they sent me out a new one two days later. Very random, especially for a brand new pistol and brand new firing pin, but I guess random events happen. Fixed it up, all good... for a little bit.
 

Once I hit the 700 round mark, I’ve had nothing but failure to extracts (FTE). About every 10-20 rounds I’m getting an FTE. I’ve tried 115, 124 and 147 of blazer, AE and Federal in it. I’ve tried several magazines. I cleaned it up REALLY well. Stripped it several times, and everything looks up to par. I can’t figure it out. 
 

I've spoken to ZEV and they are working on getting me a shipping label, so I should be mailing it out this week for repair. I also asked how many rounds they use to test fire And they’ve told me “about 40” so I’m hoping they are able to see the FTE and don’t just say “it’s fine, there’s no issue with it”, because I’ve had at-least 50 FTE once I hit that 700 round mark. 
 

so, anyone else have any issues like this with their OZ9? I’m thinking something has to be out of spec, it’s the only possible solution. Either the barrel (or the slide?) are out of spec, sounds crazy maybe idk, but it’s all I got at this point. 
 

Thoughts?

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No experience with OZ9s, but have you tried a different extractor or extractor spring?
In your cleaning/inspection(just making sure here), did you clean the extractor channel and the hole for the extractor spring assembly? No chips on the extractor claw?

Those are about the only specifics that I can think of.

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46 minutes ago, Harpo said:

No experience with OZ9s, but have you tried a different extractor or extractor spring?
In your cleaning/inspection(just making sure here), did you clean the extractor channel and the hole for the extractor spring assembly? No chips on the extractor claw?

Those are about the only specifics that I can think of.

Yep, cleaned the channel and the hole. There’s also no chips on the claw. Everything seems to look fine. It’s at ZEV now so hopefully I’ll find out soon what’s going on.

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I'm having the same failure to extract issue with my OZ9. Started about 400 rounds in and does it every 20ish rounds. I haven't given it a good cleaning yet but have tried three brands of magazines and four brands/weights of ammo. Frustrating to say the least.

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Hey have you figured this out? I just got my OZ9. I bought the comp right away and it was having issues. Wouldn’t cycle. But was ejecting. Took comp off it was fine. Called Zev they said it was common and to get a lighter spring. Even though they made me pay for it it was only $15 so I wasn’t tripping. 13lb spring in. Comp on. 115g rounds. FTE. No ejection. Comp off. Same issue. Changed brands of ammo. Still no ejection. In fact it wouldn’t even lock the slide back on the last round. Tried with the OG magpul mags and 2 stock glock mags. Really annoying when trying to practice 1R1. It just makes 0 sense to me why it wouldn’t even lock the slide back, WITH A LIGHTER SPRING. I didn’t have the stock spring to swap and see if that was the problem. It was the end of the range day. I talked to the owner of the range and he said only thing he can think is maybe I’m limp wristing. I did just have wrist surgery and while I’m out of the brace I am recovering still. I don’t know. I’m going out tomorrow again to try more things. Kinda annoying to spend so much and have only 500rds in. I’m waiting to call zev. Would hate to send it off if I could fix it myself 

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Hey man, yes so sounds almost identical to my issue. Even with the comp. try the stock spring without the comp before you call ZEV. If that still gives you issues, send it back don’t waste ammo trying to solve it. I did, and I probably wasted a good 800+ rounds. I doubt you are limp wristing. I had several people shoot my pistol and it had the same failures with each guy. So it wasn’t the wrist. I’d recommend calling them and sending it in, The comp with the recommended spring should obviously work. I believe my slide or barrel is out of spec, honestly don’t know. It’s also been 4 weeks now and nothing from them. Getting unhappy and if they tell me nothing is wrong I’m definitely getting a refund. I’ll keep you posted and let you know. Keep me updated too. 

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17 hours ago, Veralai said:

Hey man, yes so sounds almost identical to my issue. Even with the comp. try the stock spring without the comp before you call ZEV. If that still gives you issues, send it back don’t waste ammo trying to solve it. I did, and I probably wasted a good 800+ rounds. I doubt you are limp wristing. I had several people shoot my pistol and it had the same failures with each guy. So it wasn’t the wrist. I’d recommend calling them and sending it in, The comp with the recommended spring should obviously work. I believe my slide or barrel is out of spec, honestly don’t know. It’s also been 4 weeks now and nothing from them. Getting unhappy and if they tell me nothing is wrong I’m definitely getting a refund. I’ll keep you posted and let you know. Keep me updated too. 

I am going today to try one last thing I think may be the issue. I saw another thread. Same issue. They said that if you run an RMR your right screw could be too long and pressing down into the extraction plunger causing FTE. Could definitely be my problem. My friend was the first to shoot it when it came in Bc I was working and the right screw backed out so I had to order more. It definitely looks like it screws in deeper than the left. Will know today. 

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WOW! That’s something I would have never even thought of. Very interesting. Please do keep me updated on that. 

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23 hours ago, Veralai said:

WOW! That’s something I would have never even thought of. Very interesting. Please do keep me updated on that. 

Well I redid the right screw. Performed flawlessly. Cycled correctly and ejected fine. As much as I’d also hate to admit it, with the slide not locking back it was in fact user error. I wasn’t limp wristing it. But I did notice my thumb pressing the slide release. Had to change my grip to get used to the location of it. But overall it performed well and seemed to be the right RMR screw issue for the FTE. 

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Damn...

Not having any optics-equipped guns, I NEVER would have thought of that!

 

Thanks for sharing!

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