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Old 03-21-2019, 07:49 AM   #11
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lperagallo .22
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Originally Posted by keithwhite100 View Post
I looked at my Q5 SF Pro, same issue with the wriggle room but no hitting mag with slide. No marks of ware and I've put at least 1500 rounds through my gun. However the mag extension on the pro version prevents me from putting any pressure on the mag when holding the gun.

I didn't have any wear that was showing but all you need to do is take out the barrel and recoil spring and put the slide back on. Then insert a mag and move the slide slowly from the rear to the front. (make sure to hold down the slide release). If your mag doesn't hit the slide then you don't have the problem. Mine hit the slide on all mags. I also purchased some PPQ M2 10 round mags (Mass compliant) and they did the same. I added hack posted above and the slide no longer contacted the mags. It looks like all that needs to be done is to design the slide ramps (part 55) on the left side of the frame to be a bit thicker to kick the mag to the right.
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Old 03-21-2019, 09:55 AM   #12
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chandler5566 .22
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Originally Posted by lperagallo View Post
Look at the first post in the thread and watch the video. It is detailed there.
The video creator actually discusses several issues. First involves the grip which he incorrectly states is much wider on the SF vs the Q5 Match. Both models have a 1.3" width. However, the Q5 Match has the standard M2 grip which has the finger indentations which are not found on the SF. I'm certain it is the cause of the difference he feels.

Next he mentions an issue which he describes as intermittent FTE. Then he proceeds to describe a third issue.

Final issue involves the freedom of movement of the magazine that he believes creates greater resistance to slide movement. He does not equate the magazine issue to the FTE issue.

Balance's comments were directed to the FTE problem. Of course if anyone has a concern about the magazine motion that too should be directed to Ft Smith.

As I mentioned I would like to know if the magazine lateral displacement could result in a failure to lock back when the last round is fired.

Last edited by chandler5566; 03-21-2019 at 09:57 AM.
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Old 03-21-2019, 02:14 PM   #13
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balance .22
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Look at the first post in the thread and watch the video. It is detailed there.
Respectfully, I have, and I did. It is not detailed there.

Please, in detail, explain the malfunction you are experiencing with your pistol.

How can a loose magazine cause a failure to extract malfunction, as mentioned (but not described) in the video? Is the empty casing still in the chamber? Is there a double feed malfunction caused by the failure to extract malfunction?

Is it not a failure to extract malfunction, but the video creator used the wrong term to describe it?

Please, explain, in detail, exactly what you are experiencing in regards to this malfunction on your pistol. What is happening before and after you are firing a round? What is getting jammed up, and where? What do you have to do to clear the malfunction? I have to imagine that you created this thread to help and inform others. Please explain the malfunction you are experiencing so that you may do so, and so that we can help to determine a cause.
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Old 03-21-2019, 08:41 PM   #14
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lperagallo .22
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Originally Posted by balance View Post
Respectfully, I have, and I did. It is not detailed there.

Please, in detail, explain the malfunction you are experiencing with your pistol.

How can a loose magazine cause a failure to extract malfunction, as mentioned (but not described) in the video? Is the empty casing still in the chamber? Is there a double feed malfunction caused by the failure to extract malfunction?

Is it not a failure to extract malfunction, but the video creator used the wrong term to describe it?

Please, explain, in detail, exactly what you are experiencing in regards to this malfunction on your pistol. What is happening before and after you are firing a round? What is getting jammed up, and where? What do you have to do to clear the malfunction? I have to imagine that you created this thread to help and inform others. Please explain the malfunction you are experiencing so that you may do so, and so that we can help to determine a cause.

Apparently you really don't believe this is possible, so I'll will try to explain my issue in detail and the hack that I used to fix it. I won't try to convince you that I know what I am talking about but here goes.


My Q5 would on occasion have a Failure to Extract. That means that rather than the case flying out of the gun, the case remained in the slide and jammed when the slide moved forward. In order to clear the jam I had to drop the mag, clear the slide since the case was caught in the slide and re-insert the mag, rack it in order to continue shooting.


After reviewing the video posted by another person, I took out the recoil spring and barrel. I put the slide back on and inserted a mag. I then placed the slide into the most rearward position, released the slide lock and gently moved the slide forward. The slide got stuck on the right lips of the mag. I repeated the process for all 7 mags I have and it got stuck on each mag. If the mag is getting stuck on the return trip it is dragging on it's way back so the slide may not be making it back all the way to complete extraction.



So I tried the hack of putting two layers of Scotch Vinyl electrical tape of the left side of the mag. It moved the mag to right a very small amount to the right. The slide now went back and forth without hitting the mag.


I shot a 7 stage indoor match today and had no extract issues. So my problem is now solved. I reload and I am using 135 grain plated bullets with a power factor of 135.



I hope that is enough detail to explain the issue and fix. I will be sending my findings to Walther.
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Old 03-21-2019, 09:32 PM   #15
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imaoldfart .38
From your description above, your not having a failure to extract, your having a failure to eject.

Do you have this problem with 'factory' ammo, or just your reloads?
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Old 03-22-2019, 06:38 AM   #16
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RoanokeReloader .22
I'm reposting my post from enos forum regarding same video.
I'm having FTE as well, shows up every 100-150 rounds as double feed with empty case loose in the chamber. Have the same loose mags pushing to left, same witness mark on slide, but no noticeable mark on mags. Not clear to me how the slide interference would cause my double feed, but certainly can see that it could interfere with cycling forward, which is a critical step with this pistol needing to cock the striker spring at the end of forward movement. To try to fix the failures to extract before seeing your post, I increased tension on the extractor, noticed it was straight, while the same part on PPQ M2 had a little curve along the tail. Added a slight curve. No further issue seen in next 500 rounds. Testing tension by having extractor hold onto a round seemed to be fine before adjustment, however. Was just about to send it back to Walther.

Looking at my CZ SP-01 Shadow Custom, would note it had various surfaces rounded down from factory by the custom shop to improve function. Looking the same place as the witness mark, both corners of that portion of the CZ slide are ground down much more than you are showing. Only a slight amount of wiggle play in the CZ mags. Possible solution, but would prefer deeper mag guides.
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Old 03-22-2019, 08:19 AM   #17
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lperagallo .22
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Originally Posted by imaoldfart View Post
From your description above, your not having a failure to extract, your having a failure to eject.

Do you have this problem with 'factory' ammo, or just your reloads?

While I am no gunsmith, to me, the ejection of the case is part of extraction.


This has happened with my 135 Grain, plated, 135 power factor reloads and 147 grain Speer factory ammo.
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Old 03-22-2019, 11:05 AM   #18
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Originally Posted by lperagallo View Post
While I am no gunsmith, to me, the ejection of the case is part of extraction.

This has happened with my 135 Grain, plated, 135 power factor reloads and 147 grain Speer factory ammo.

Technically extraction is removal of the fired case from the chamber. That is followed by ejection as OF indicated.

The info regarding ammo type is also important and is part of the "detail" Balance was asking for.

I am still interested in having a SF owner do some testing to see if that magazine motion is sufficient to cause it to bypass the slide lock tab.

Last edited by chandler5566; 03-22-2019 at 11:26 AM.
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Old 03-22-2019, 02:07 PM   #19
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Originally Posted by imaoldfart View Post
From your description above, your not having a failure to extract, your having a failure to eject.
It looks to me like both lperagallo and RoanokeReloader are having Double Feed malfunctions due to Failure To Extract. (Because RoanokeReloader explicitly mentioned Double Feed and Iperagallo said he had to pull the mag out).

None of them said that the slide didn't fully go into battery and that the firearm did not fire when the trigger was pressed (Failure To Extract), and that they then tried to rack the slide which led to a Double Feed issue. But perhaps this is what happened.

lperagallo and RoanokeReloader, could you clarify?

Last edited by Misfire; 03-22-2019 at 02:38 PM.
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Old 03-22-2019, 02:15 PM   #20
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balance .22
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Apparently you really don't believe this is possible, so I'll will try to explain my issue in detail and the hack that I used to fix it. I won't try to convince you that I know what I am talking about but here goes.
Relax. I'm trying to help here.

Whether this is an extraction issue or an ejection issue is an important distinction. The reason why I'm trying to get as much information as possible is because if this really was an extraction issue, I'd advise looking elsewhere for the cause of the problem. I had a hard time imagining how a loose mag could cause extraction issues. RoanokeReloader (post #16) could have put a hundred pieces of tape in the magwell and his issue still would have been there.

It seems like what you have is a failure to eject issue. This makes a lot more sense. I'd contact Walther and inform them of the issue.

Quote:
It looks to me like both lperagallo and RoanokeReloader are having Double Feed malfunctions due to Failure To Extract. (Because RoanokeReloader explicitly mentioned Double Feed and Iperagallo said he had to pull the mag out).
The "FTE" abbreviation can be used for either one of the issues mentioned above, whether it is a failure to extract, or a failure to eject, so it isn't as descriptive as it seems, and it doesn't really help much when trying to diagnose issues with pistols. Same with "FTF". There are different steps to finding and diagnosing issues if the problem is a failure to feed issue, just as there are different steps to diagnosing issues if there is a failure to fire issue.

These abbreviations mostly lead to more confusion rather than helping to describe the issue.

I'm pretty sure the OP is having failure to eject issues, while RoanokeReloader is having failure to extract issues. It is much easier to understand when people stop using those abbreviations, and just describe the issue.

Lucky for the OP, that somebody uploaded a youtube video on the same day that he created this thread, but unfortunately, the uploader used the wrong term to describe the issue as well. I was just trying to get some clarity as well, and help the OP if I could.

Last edited by balance; 03-22-2019 at 02:23 PM.
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