Author Topic: Grand Power P40 10mm Magazine Drop Problem  (Read 886 times)

dcale101

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Grand Power P40 10mm Magazine Drop Problem
« on: June 20, 2017, 12:03:47 PM »
I have a Grand Power 10mm.  I love it except that it drops the magazine occasionally when shooting full power loads.  It doesn't do it when firing the tame PPU ammo. 

I know some of you have had the same problem.  Did you ever get it resolved?  Bersa/Eagle Imports said to send it in to one of their authorized repair facilities.  There are quite a few on the list.  Any recommendations which one to choose?

Thanks

Ten2six

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #1 on: June 20, 2017, 12:21:48 PM »
I sent mine to Ahlmans in Minnesota, quick turn around ...under two weeks. Mine still on rare occasions will drop a mag but only on the last round. I am pretty sure it is the mag follower bumping the release in the frame as it comes up in the mag. I am filing a notch in the follower a little bit at a time so it won't touch the mag catch as it passes by.

When I first got the pistol it would drop several times per mag.

Hope this helps and welcome to the forum. A lot helpful people here.
S&W 1026, S&W 1006
Colt Delta Gold Cup (sold)
Colt Delta Elite
Glock 29 Gen 4
Grand Power P40

ottoman

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #2 on: June 20, 2017, 10:42:36 PM »
Mine also drops the mag on the last round!
Like you I slotted the follower... going to see if that helps this weekend. 
I also notice the spring may hit the mag lock on the last round but am going to see if the follower mod works before I mad the spring.

dcale101

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #3 on: June 21, 2017, 03:23:13 AM »
Thanks for the information.  Do you have any photos of the modified follower?


dcale101

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #4 on: August 09, 2017, 08:55:58 AM »
I received my Grand Power P40 10mm back from Colorado Gun Works yesterday.  They replaced the magazine catch assembly.  I haven't shot it yet however.  Before I sent it in, the magazine release button was very easy to depress.  Now it is noticeably stiffer to actuate.  I am hopeful that the problem is solved.  I will let you know once I actually get to put some rounds through it.

gcw16

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #5 on: August 10, 2017, 07:08:36 AM »
I just got mine back From Colorado Gun Works too. They had mine since January 12th! The mag release is very stiff now. I just closed on a house on Monday so I am in the process of moving. It may be 3 or 4 weeks till I get a chance to go to the range.

PCFlorida

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #6 on: August 10, 2017, 01:50:55 PM »
I just got mine back as well on Tuesday. Very stiff mag release. I put a couple mags of nuclear ++ through it with no issue, though to be honest I haven't had the issue since it was new, once it was broken in it no longer dropped the mags. So I don't really know if it proved anything.
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10Tens

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #7 on: August 11, 2017, 12:29:39 AM »
Mine went back in for second time to fix mag drop.Been in the shop for 4 weeks now. Sucks.

PCFlorida

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #8 on: August 11, 2017, 03:07:25 PM »
Mine went back in for second time to fix mag drop.Been in the shop for 4 weeks now. Sucks.

Who did you send it to?
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10Tens

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #9 on: August 12, 2017, 11:08:37 PM »
The second time it went to CGW.  They still are in the process of fixing a bunch of them including mine.

PCFlorida

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #10 on: August 13, 2017, 04:25:12 AM »
The second time it went to CGW.  They still are in the process of fixing a bunch of them including mine.

Mine was there about 3 weeks.
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dcale101

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #11 on: August 20, 2017, 03:48:20 AM »
I was able to put 70 rounds through my GP P40 yesterday.  They consisted of 50 rounds of SIG 180gr FMJ and 20 rounds of Underwood 200gr XTP.  I am happy to report that all rounds were trouble free and the magazine drop issue seems to have been remedied.

PCFlorida

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #12 on: August 20, 2017, 07:34:36 AM »
I was able to put 70 rounds through my GP P40 yesterday.  They consisted of 50 rounds of SIG 180gr FMJ and 20 rounds of Underwood 200gr XTP.  I am happy to report that all rounds were trouble free and the magazine drop issue seems to have been remedied.
Good to hear!

Do anyone know how stiff the magazine catch is on the Witness series which I believe uses a similar magazine?
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10Tens

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #13 on: August 20, 2017, 07:59:29 AM »
I was able to put 70 rounds through my GP P40 yesterday.  They consisted of 50 rounds of SIG 180gr FMJ and 20 rounds of Underwood 200gr XTP.  I am happy to report that all rounds were trouble free and the magazine drop issue seems to have been remedied.

Great news . Glad you put some hot stuff through it with no issues.
Anxiously waiting to get mine back.

sqlbullet

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Re: Grand Power P40 10mm Magazine Drop Problem
« Reply #14 on: August 20, 2017, 11:15:53 AM »
Magazine catch on Witness is about the same as all my other guns.