Mag catch problem info request - Page 2 - MP-Pistol Forum

Mag catch problem info request

This is a discussion on Mag catch problem info request within the MP Full Size Pistols forums, part of the Smith & Wesson MP Forum category; This is probably a long shot, a VERY long shot but here it goes: I wonder if the nose of the rounds in the magazines ...


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Old May 23rd, 2007, 09:26 AM   #16
 
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This is probably a long shot, a VERY long shot but here it goes:



I wonder if the nose of the rounds in the magazines are pushing the little metal tab on the mag release, causing it to disengage?



Most here have reported this mostly happens with half empty mags and we're all aware of the rounds rattling around inside the magazine so I wonder if the rounds are floating around more, moving forward and pushing on the metal tab as they travel upwards?



If S&W made the little tab smaller I wonder if this could have been the problem...why else would they make it smaller?



:?:
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Old May 23rd, 2007, 11:16 AM   #17
 
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I can only speak for myself

I can only speak for myself, so please don't thing that I am saying some people are not having mechincal failures.



That being said I would have told you were crazy and were to get off, if you told me I was hitting the mag release when I first starting having the problem with my M&P. It so suttle when it occurs it almost impossible to detect. That is why I think people will not agree with this statment to begin with.



This is just a guess, however the reason mags are dropping when they are half empty is because people have fired the weapon enough for their grip to change.



I know that I have a excellent grip and it is the same grip used by about every top level competior in pistol sports right now. Futhermore, it is taught by just about everyone now who is using moderning techinques. What I am getting to is that I have a good grip.



Even with the best grip in the world your hand can and does shift some on the weapon. The M&P places my hand so close to the mag catch it does not take but just the slightest movement and I am hitting the mag release.



Once again I can only speak for myself, however any one that is having problems please have an open mind and check your grip.
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Old May 23rd, 2007, 11:35 AM   #18
 
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Well, I have big hands, my serial number is MPBXXX, and I have no problems with dropped mags.



However, I did have problems with the slide locking back prematurely when i went to higher power factor ammo.



Turned out that I was just not able to get enough traction on the front strap to keep the muzzle flip to a minimum, and that caused my strong hand thumb to ever so slightly graze the slide release if I didn't keep my grip pressure just right. Muscling the gun just caused accuracy problems. If I ahd smaller hands, the reuslting movement og my hands very well could have caused my strong hand middle finger to contact the magazine release.



I've had to alter my grip slightly to deal with the slide release, but my first attempt to deal with it was putting on some a-grip. Which definitely keeps the front fingers planted despite gun movement.



I'm curious if anyone who has sharkskined their front strap is having any mag dropping issues.



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Old May 27th, 2007, 07:24 PM   #19
 
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Re: You are probably correct...

Quote:
Originally Posted by APismoClam
I have never owned another pistol that has such an over sized mag well and allows such free movement of the top of the magazine while fully seated. I don't think there's much wrong with the mag catches per se, but the design of the mag catch absolutely requires that the magazine is held with a minimum amount of slop to prevent it from disengaging from the relatively small contact area of the mag catch metal "tooth", especially during the violent vibration and impulse of recoil.



Reinforcing my theory is that I've read where several posters on this forum have sent their pistols back to Smith several times for the same prob. and all Smith did was replace their mag catches each time, to no avail. Finally, only after a poster had Smith replace his frame did he finally see the issue resolved.



Just my 2 cents.







"That is my theory, it is mine, and belongs to me and I own it, and what it is too." -- Anne Elk


This is the correct theory After 2 trips back with my full size .40 and two different "mag catch" replacements, I finally talked to a gunsmith at Smith upon the 3rd visit and he explained that there were a bad batch of frames that abosultely had too much tolerance, and needed to be replaced. After sending me a free magazine with each trip back for repairs, the last trip they sent me a new frame, and added night sights as well! The gun hasn't had one problem since and I have 4 mags gratis plus night sights.
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Old May 27th, 2007, 09:18 PM   #20
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Re: You are probably correct...

Quote:
Originally Posted by Jagman
[quote name='APismoClam']



I have never owned another pistol that has such an over sized mag well and allows such free movement of the top of the magazine while fully seated. I don't think there's much wrong with the mag catches per se, but the design of the mag catch absolutely requires that the magazine is held with a minimum amount of slop to prevent it from disengaging from the relatively small contact area of the mag catch metal "tooth", especially during the violent vibration and impulse of recoil.



Reinforcing my theory is that I've read where several posters on this forum have sent their pistols back to Smith several times for the same prob. and all Smith did was replace their mag catches each time, to no avail. Finally, only after a poster had Smith replace his frame did he finally see the issue resolved.



Just my 2 cents.







"That is my theory, it is mine, and belongs to me and I own it, and what it is too." -- Anne Elk


This is the correct theory After 2 trips back with my full size .40 and two different "mag catch" replacements, I finally talked to a gunsmith at Smith upon the 3rd visit and he explained that there were a bad batch of frames that abosultely had too much tolerance, and needed to be replaced. After sending me a free magazine with each trip back for repairs, the last trip they sent me a new frame, and added night sights as well! The gun hasn't had one problem since and I have 4 mags gratis plus night sights.[/quote]

I wish they'll do that to mine.
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Old May 28th, 2007, 03:57 AM   #21
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Re: You are probably correct...

"This is the correct theory After 2 trips back with my full size .40 and two different "mag catch" replacements, I finally talked to a gunsmith at Smith upon the 3rd visit and he explained that there were a bad batch of frames that abosultely had too much tolerance, and needed to be replaced. After sending me a free magazine with each trip back for repairs, the last trip they sent me a new frame, and added night sights as well! The gun hasn't had one problem since and I have 4 mags gratis plus night sights."





Jagman: What is the serial number of your full-size .40? That would be very helpful.
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Old June 15th, 2007, 05:54 PM   #22
 
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Is this problem predominently in the 40SW guns? I have not heard much regarding the 9mm versions
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Old July 15th, 2007, 01:18 AM   #23
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My 40C has been through 5 mag catches including the very latest just installed last week when the gun was with S&W for a second time for the mag drop problem. I got the gun back Friday, had about 65 trouble free rounds through the gun before it started dropping mags yet again! I'm so close to asking for a refund rather than a replacement because the poll on this forum indicates that I may have as much as an 18-20% chance of having the same problem occur with another sample... this is incredibly frustrating and has really soured my enthusiam for an otherwise wonderful gun coming from a company with incredible customer service. I will call them again on Monday to return the gun to them for a third time.
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Old August 6th, 2007, 12:11 PM   #24
 
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Not sure that anyone is still following this thread but I bought my M&P 9mm in early May. I've had problems with the mag coming out as well and it almost always happens on my draw. The mag doesn't drop to the ground but comes down out of the well just enough. I have wondered a few times if I hit the release as I was drawing. I have the smaller grip on there and it puts my thumb a lot closer to the release. I'd go with a larger grip size but I found I don't shoot well with the larger grip. I love the way my gun shoots and don't want to give it up. I called S&W today and they're sending me a new mag catch. We'll see what happens but I'm up for sanding it down if I keep having the problem.
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Old August 8th, 2007, 10:12 PM   #25
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I bought my MP9 on 7-2-07. Since then I have had two mag drop incidents. Once during the first shot in a string and once while the firearm was holstered strong side OWB. I did two things to the mag catch to prevent it from happening.



First, I cut the button down so it is not sticking out so far from the grip. When I got it to where it was just enough to still operate I finished it by giving it a texture.



Second, I cut the step back on the portion of the mag catch that stops it from going all the way through. This allows the catch to capture the mag a little deeper.



It has not shown any sign of interfering with the mag follower as it travels up the mag tube. I do not have many rounds through the gun since these modifications, but so far so good. I figure if I messed it up all I need is a new catch and it will be back to new.
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Old August 8th, 2007, 10:32 PM   #26
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Odd that we M&P owners *seem* to be more active in trying to correct the various mag catch engineering/design deficiencies with the M&P than S&W is. All I've seen from them is trying to harden the metal engagement surface. If they would bite the bullet and get serious about reducing the thumb pad surface extension, installing a significantly stiffer mag catch spring, tightening the magwell up to match the mags better, AND hardening the mag catch engagement surface... I think these commonly reported mag drop problems would disappear... so come on S&W... you've got a potential winner of a pistol with the M&P but you've GOT to get aggressive with the mag drop problem and put this issue into deep history!
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Old October 20th, 2007, 07:47 PM   #27
 
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new m&p40 owner last may have approx.3000rd mags started dropping recieved new mag release, seems kinda snug, greased it. hoping to get to the range once it stops dumping snow. hope this cures it. serial mpmxxxxxxx
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Old October 29th, 2007, 07:54 PM   #28
 
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Has this problem been rectified???

It seems like it has been happening for a long time.

:roll:

Does it affect all calibers?



I am serioulsy considering a MP .45, but I dont want to buy a gun that has unresolved issues.





thanks
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Old October 29th, 2007, 09:12 PM   #29
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I don't know if the problems with mine are gone for good... I stopped shooting it and quit talking about it... probably much to the pleasure of rah-rahs.
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Old November 16th, 2007, 12:36 AM   #30
 
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sure enough

Hey there. Ive had the same problem with my 9c. Have put about 2000+ rounds through it. I called s&w and they said they would send me a new catch. We'll see if that does the trick, but may have to send the gun in for a new frame eh?



I did the same with the sanding down, making it not stick out as far, until i hit a bit of stainless. Retextured and tried to blue the small exposed spot, but wouldnt take to the stainless.. should have figured , der....
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