The Original CZ Forum
CZ PISTOL CLUBS => Compact CZ 75s => Topic started by: Thebillsman on August 12, 2016, 12:46:44 PM
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Ammo: Winchester 9mm 115g, box of 200 that allowed them to jumble around
This is my third time out and I haven't had an issue yet. However, today was a little different. I fired 200 rounds and had two FTEs and one actual jam on the last round of the day. I don't know if it was the ammo quality or the actual firearm. My prior two outings I used PMC and Blazer with no problems.
It was a little embarrassing.
I posted this a few months ago and most of the responses claimed it was normal but my slide hangs up a little bit on the slide release just before reaching battery. My 75 Compact has no such issue. I also noticed that the back of the round seems to get hung up on the curve at the top of the magazine.
Has anyone has any issues regarding their new P-01 Omega?
Edit: So I just thumb ejected all four of my magazines 10x each and it seems like two are different. Two of the magazines have a a wider opening at the top. The other two are pinched and seem to catch rounds that don't load at a perfect angle. Two mags came with my P-01 and two the Compact. Strange.
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Here it is. If you look on the right of each magazine you can see that the mag on the left has a much tighter tolerance. If the round isn't loaded/ejected perfectly straight that lip will catch the round after 5-7 ejections.
The magazine on the right has a much wider exit and had no issues. These are both OEM magazines.
(http://i106.photobucket.com/albums/m257/thebillsman/Mobile%20Uploads/image.jpeg)
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Just tweak the feed lips that are tight. You should be able to slightly bend them out. Take it back out and see if that fixes it.
That very well could be what's causing your issues.
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I file mine.. not bend. hate to have metal fatigue. and then a break. when????? SHTF scenario.. that would be really bad. thus the file a little at a time! same concept. just seems safer. to my mind. for whats its worth.
k in MI (former 25yr tool / die maker)
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one looks like a 40 mag and one looks like 9mm
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one looks like a 40 mag and one looks like 9mm
Looked that way to me, too.
Strangely enough, the mags that came with my SP-01 .40 actually have .40 witness holes on one side and 9mm on the other (and feed both types of ammo).
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Interesting.. thanks guys
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I posted this a few months ago and most of the responses claimed it was normal but my slide hangs up a little bit on the slide release just before reaching battery. My 75 Compact has no such issue. I also noticed that the back of the round seems to get hung up on the curve at the top of the magazine.
Alright guys, I'm still having this issue. My slide is getting hung up on my slide stop about a 1/16" before reaching battery. If I push inward on my slide stop it returns to battery smooth, but without the pressure there is a hiccup.
I don't know what to do. Is this a defective slide stop? I don't know if filing it will make a difference or is even safe.
Any input would be greatly appreciated.
https://youtu.be/D0Gm_JPVwLQ
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What recoil spring weight are you using?
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What recoil spring weight are you using?
I have not changed the spring. I believe the OEM spring is 18 or 20lbs?
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I was just wondering if a stronger recoil spring would help. It looked to me like the recoil spring wasn't strong enough in your video - acted like a 14# spring. I believe some weak recoil springs (improper temper) have been known to have left the factory a time or two. If you had a spare spring laying around it might be interesting to test it out. At least you would have one variable eliminated.
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Sounds like the slide stop is getting hung up on the magazine as the slide returns to battery. Does this happen without a magazine inserted? From your pictures above it appears there's some variance in the magazines you're using. Can you narrow it down to one type? Trying to eliminate some variables.
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Sounds like the slide stop is getting hung up on the magazine as the slide returns to battery. Does this happen without a magazine inserted? From your pictures above it appears there's some variance in the magazines you're using. Can you narrow it down to one type? Trying to eliminate some variables.
It occurs whether the magazine is inserted or not.
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Based on your original post, not sure if you've pinpointed this return to battery as the cause of the files to eject or that last round to feed? Seems unrelated.
I watched the video you linked. Did the slide but return to battery during live fire?
Offhand I'm thinking either recoil spring/guide rod binding or barrel hood interference on something just before lockup. I'd be surprised if the force of live fire doesn't slam it into battery. Might be ammo issues... Winchester white box isn't one of my favorites.
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Based on your original post, not sure if you've pinpointed this return to battery as the cause of the files to eject or that last round to feed? Seems unrelated.
I watched the video you linked. Did the slide but return to battery during live fire?
Offhand I'm thinking either recoil spring/guide rod binding or barrel hood interference on something just before lockup. I'd be surprised if the force of live fire doesn't slam it into battery. Might be ammo issues... Winchester white box isn't one of my favorites.
I found that 2 out of the 4 mags did not feed correctly and every 5 rounds would release cockeyed and subsequently jam up the slide.
The slide always returns to battery. It never actually stops a 1/16" short, it just has a hiccup that hasn't happened with any of my other CZs. I just want a smooth return to battery and don't know if its going to take some filing or a new slidestop. If I press inward on the slide stop the slide returns smooth with no issues.
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I'd buy a new slide stop and try it out. I'd also figure out where the stop is interfering with the slide and relieve the stop.
My P 01 omega runs perfect. My steel railed compact had some FTF issues. I diagnosed that my PD 124 HPs were contacting the slide stop during feeding so I took a file to the stop and its run 100% ever since.
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During live fire the slide will always return to battery. While firing the slide has never actually gotten stuck, it just has a bit of a hiccup. I don't think it is a recoil spring issue.
Again, if I push inward on the slide stop it returns smooth.
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I think my 97BD does the same although not with magazine inserted. My guess is the mags causing my issue. Not sure worth a call
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I think my 97BD does the same although not with magazine inserted. My guess is the mags causing my issue. Not sure worth a call
Sent from my iPhone using Tapatalk
Unfortunately, the issue arises with or with the magazine inserted, which leads me to believe it is the slide stop itself. If I removed the slide stop and rack the slide the issue is resolved.
I would like to order a new slide stop, but I want to figure out if I can just file it down a little or bend it slightly to correct the issue.
I would like to purchase a new one but $10 to ship is insane!
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Okay it seems like there might be a spacing or tolerance issue.
For whatever reason, my slide stop is getting hung up where the obvious wear marks are. It will not transition smoothly over that slight bulge. I don't know if it is safe to file or if the slide stop itself may be a millimeter short.. or if it's totally normal.
I made another, more in depth video.. any input would be greatly appreciated
https://youtu.be/_108-7LMlnY
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Okay it seems like there might be a spacing or tolerance issue.
For whatever reason, my slide stop is getting hung up where the obvious wear marks are. It will not transition smoothly over that slight bulge. I don't know if it is safe to file or if the slide stop itself may be a millimeter short.. or if it's totally normal.
I made another, more in depth video.. any input would be greatly appreciated
https://youtu.be/_108-7LMlnY
Just to clarify, have you called CZ? I'd imagine if they saw your video they'd send you a new slide stop or have you send them the gun and they'd fix it right up.
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I have an urban gray P01 (which has the omega system) and I don't have the issue with it you have with yours.
It's "CZ" stiff to rack the slide, but it doesn't hang/grab anywhere.
Good luck. If there's something wrong, I'll bet CZ will take care of it. My front sight "died", I e-mailed CZ USA, they replied the next day with a return authorization number. I shipped the slide to them and had it back in about a week and a half with a new front sight on it. It only took that long because FEDEX damaged the shipping label and it sat at one of their locations for about 3 days while they tried to figure out what it was, where it needed to go, etc.
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It looks like you have two separate issues. The OEM magazines being clearly different perplexes me. It doesn't surprise me that two of them don't function properly, although in theory they should be interchangeable.
The slide stop issue could simply be that yours is somehow out of spec, whether it was manufactured that way or became that way over time...who knows? I would say to try to swap the slide stop from your Compact with your P-01 and check function but I think they may be different parts...not sure though.
I would call CZ customer service and get a direct e-mail to the representative you are dealing with and send them the picture of the mags as well as the video. I would think these issues would fall under warranty as a "manufacturers defect" and perhaps they would take care of this for you. It's definitely worth a try in my opinion...good luck! Hope you get it resolved soon!
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If the slide stop spring is properly adjusted then the slide stop never contacts the slide until the last round is stripped from the mag and the mag follower pushes up on the stop. operating the slide without the stop in place really proves nothing since the barrel doesn't unlock without the stop in place so there is no mechanical resistance.
The gun should be under warranty and if you call CZ-USA they will send you a return label to send the gun back and repair any issues.
Call them. They are very good to deal with.
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Hmmm all this talk had me look at my 97BD last night. With a magazine in place I can get it to hang as demonstrated in the video
Without a mag inserted it moves freely. I did notice on all my CZs I see the slide stop move up and down a bit while racking the slide
Wondering if issue with my 97BD is the slide stop or magazines
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I just contacted CZ with the video embedded in hopes they can diagnose the problem. I really don't want these videos posted on YouTube for much longer, its a bad look and I love this pistol. It may give the wrong impression to prospective buyers.
Fingers crossed.
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Update..
so CZ Customer Service has already responded and this is what I got;
Hello,
The slide getting that little bit of resistance at the end is the should be the slide stop hitting that camming surface on the barrel, or where the barrel is locking up into the slide. The ware marks you see on the see on the slid and the slide stop is normal, it is metal on metal rubbing. You could try and polish the slide stop where you think it is binding, that will not void the warranty. You can always get another slide stop, it?s a cheap enough part. I would advise against doing anything to the slide, unless you are positively sure you know what you are doing.
BUT with all that being said. The gun isn?t meant to be eased into battery, which is why the spring overcomes that last bit of resistance most if not all of the time.
We could always bring the gun in and inspect it to see if everything is functioning properly if you like.
Let me know if you have any other questions or concerns.
Thank You
Rikio Kusano
Gunsmith
P.O. Box 171073
Kansas City KS, 66117
1-800-955-4486 EXT 336
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Looks like that hesitation is right at the point the barrel is locked up. One of mine does this too if I ride the slide very slowly. During shooting or normal slide release, all is fine. In my case, it's right at the point where the barrel lugs get pushed up into the top of the slide during lockup. This is on a barrel I fitted myself, so perhaps I should make one more pass with the ceramic file. But, all works nicely, locks up tight and shoots tighter groups than with the factory barrel. Pushing on the slide release may just position the barrel a minute amount where it locks up without hesitation.
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Looks like that hesitation is right at the point the barrel is locked up. One of mine does this too if I ride the slide very slowly. During shooting or normal slide release, all is fine. In my case, it's right at the point where the barrel lugs get pushed up into the top of the slide during lockup. This is on a barrel I fitted myself, so perhaps I should make one more pass with the ceramic file. But, all works nicely, locks up tight and shoots tighter groups than with the factory barrel. Pushing on the slide release may just position the barrel a minute amount where it locks up without hesitation.
I guess if its normal operation than I'm just worrying for no reason..
Should I order another slide stop?
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A couple of mine do it if I ride the slide very slowly - my P01 and my Steel rail "SP01 compact." I have 14# recoil springs in both. Does it with and without mags. They function flawlessly when shooting so I don't worry about it.
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It's nice that you heard back from CZ USA so quickly! Since a couple other posters have a similar experience, maybe it's more common than we thought. My new PCR does not exhibit this no matter how slow I ride the slide forward. I would think if CZ thought it was serious enough issue, they would have offered to throw a free slide stop in the mail..
Perhaps this will smooth out on its own once the parts mate and are seated better through use. Could also just be a tolerance stacking issue. You could always order another slide stop for a spare and work on polishing the one you have and see if you get better results. That's probably what I'd do but then again, if it were my gun, I might just choose to "shoot through it" since the performance doesn't seem to be affected.
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Okay it seems like there might be a spacing or tolerance issue.
For whatever reason, my slide stop is getting hung up where the obvious wear marks are. It will not transition smoothly over that slight bulge. I don't know if it is safe to file or if the slide stop itself may be a millimeter short.. or if it's totally normal.
I made another, more in depth video.. any input would be greatly appreciated
https://youtu.be/_108-7LMlnY
I know a guy who put a .40 S&W hollowpoint in his hand holding a pistol like that and messing with it. He was so lucky. The bullet exited up near his elbow and hit no bones, no vital blood vessels, no tendons. Just traveled between the skin and muscle for about 14". The muzzle burn on the palm of his hand bothered him more than the forearm or the exit wound. Oh, it was a one of the CZ DAO pistols made for Colt and he was sure it was unloaded.
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Okay it seems like there might be a spacing or tolerance issue.
For whatever reason, my slide stop is getting hung up where the obvious wear marks are. It will not transition smoothly over that slight bulge. I don't know if it is safe to file or if the slide stop itself may be a millimeter short.. or if it's totally normal.
I made another, more in depth video.. any input would be greatly appreciated
https://youtu.be/_108-7LMlnY
I know a guy who put a .40 S&W hollowpoint in his hand holding a pistol like that and messing with it. He was so lucky. The bullet exited up near his elbow and hit no bones, no vital blood vessels, no tendons. Just traveled between the skin and muscle for about 14". The muzzle burn on the palm of his hand bothered him more than the forearm or the exit wound. Oh, it was a one of the CZ DAO pistols made for Colt and he was sure it was unloaded.
Please don't start this. I appreciate your opinion and your willingness to make sure I remain safe, but that gun was well checked and cleared before the recording had started. You obviously did not watch the beginning of the video, it begins with a locked back slide, empty chamber and no magazine.
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I checked my Omega CZ75B with the same trigger ( newer model also called Convertible). It has a little bit of a hang in the same spot as yours does but not as pronounced.
My P-07 doesn't nor does my OD Green P-01. I think my mini compact SP-01 does a bit as well. Full size SP-01 Tactical does not. Smooth as glass
Odd but maybe normal on some CZs?
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I checked my Omega CZ75B with the same trigger ( newer model also called Convertible). It has a little bit of a hang in the same spot as yours does but not as pronounced.
My P-07 doesn't nor does my OD Green P-01. I think my mini compact SP-01 does a bit as well. Full size SP-01 Tactical does not. Smooth as glass
Odd but maybe normal on some CZs?
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Thank you for checking for me. I really do love this forum and it's members. I guess I will have come to terms with it, but with no failures I guess it really isn't an issue.