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938 grip screw stripping?

This is a discussion on 938 grip screw stripping? within the P238, P938 Pistol forums, part of the SIG Sauer Pistols category; Originally Posted by Topgun1953 Sent my 938 SAS back to Sig yesterday. The left grip screw hole is stripped. I've been babying it for a ...


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P238, P938 Pistol All variations P238, P938

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Old 03-25-2017, 05:53 PM   #46
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Sent my 938 SAS back to Sig yesterday. The left grip screw hole is stripped. I've been babying it for a while by putting a piece of duct tape over it when at the range. It also proved it was popping out as opposed to screwing out. I figured it would have cost me about 55 to purchase what I needed to helicoil the thing so I decided to spend the $55 sending it to Sig and maintaining my warranty. This pistol is the one that had the first documented MSH upgrade in it here on Sig talk and has over 2000 flawless rounds through it since the upgrade. I let you know the outcome.


Hope they replace the frame as they are doing for mine!
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Old 03-30-2017, 01:48 PM   #47
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Received my p938 back from Sig with a new frame. The screws seem to already be loctited in the frame. They are TIGHT! I won't be taking those out--maybe never will.

All is good.
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Old 03-30-2017, 02:56 PM   #48
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Don't hear of SIG doing that very often. Replacing guns, yes. Frames, not so much.
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Old 04-04-2017, 12:06 PM   #49
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Don't hear of SIG doing that very often. Replacing guns, yes. Frames, not so much.
Sig called me back to day regarding my stripped hole. Said it can't be salvaged and I have to pay 200 for a new frame I asked about the warranty and the person said that it wasn't covered because clearly I had stripped the threads (I don't believe I did as I've been aware of stripping potential since I've owned the gun and used o-rings). Still no luck. Offered $100 for a frame and they said $150 is absolute lowest they can go.

Suggestions?..I've been nice and polite, should I call/write anyone else? Cough up the $150 + transfer... or get it back and put the helicoils in myself...probably $50 for the materials..I've already paid the $55 to send it to Exeter.
Dissapointed for sure.
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Old 04-04-2017, 06:05 PM   #50
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No good answer!

I sent mine in for a check-over, and spend that $55, to get the MSH and other stuff done under warranty, but they also asked me for $200, or maybe it was $250 for a new frame because mine was "sort of beat up" (or something like that). Yeah, it is, there are a few dings, at least one idiot mark on the trigger pin, and there was a stripped grip screw. But $200 seemed too much to me, so I went with the helicoils. Heck, it's my little beater pistol, not a beauty queen.

The helicoil route is not perfect on this pistol, however, at least not yet. I had both of the grip screws that have been "helicoiled" (is that a word) loosen a tad last week after less than 150 rounds. But...I have not used any Loctite, o-ring or external tooth lock washers...just the helicoil and hand-tightened screws. I'm going for the lock washers next along with Loctite.

Good luck!
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Old 04-09-2017, 10:31 AM   #51
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No good answer!



I sent mine in for a check-over, and spend that $55, to get the MSH and other stuff done under warranty, but they also asked me for $200, or maybe it was $250 for a new frame because mine was "sort of beat up" (or something like that). Yeah, it is, there are a few dings, at least one idiot mark on the trigger pin, and there was a stripped grip screw. But $200 seemed too much to me, so I went with the helicoils. Heck, it's my little beater pistol, not a beauty queen.



The helicoil route is not perfect on this pistol, however, at least not yet. I had both of the grip screws that have been "helicoiled" (is that a word) loosen a tad last week after less than 150 rounds. But...I have not used any Loctite, o-ring or external tooth lock washers...just the helicoil and hand-tightened screws. I'm going for the lock washers next along with Loctite.



Good luck!


What kind of screws are you using with the helicoils? The original screws won't work well.
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Old 04-09-2017, 06:47 PM   #52
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What kind of screws are you using with the Helicoils? The original screws won't work well.
Ebay and then found also at Menards. It's metric since that's what the Helicoil kit I used. Here's the eBay listing:

Grade10.9 Zinc Plated Pan Hex Socket Button Head Screw Bolts M4*4-50mm M4

Had to file them to length.
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Old 04-10-2017, 03:31 AM   #53
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938 grip screw stripping?

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Originally Posted by rsgates View Post
Ebay and then found also at Menards. It's metric since that's what the Helicoil kit I used. Here's the eBay listing:



Grade10.9 Zinc Plated Pan Hex Socket Button Head Screw Bolts M4*4-50mm M4



Had to file them to length.


Thanks. So they've loosened up with the helicoils? I'm curious in case I ever have to go that route. Sounds like the correct screws for the job, though.

I would be interested in your judgement of: are the screws too soft; or do the helicoils just not hold them in well?

I understand the Sig P226 screws are metric and will work--might have to file for length, though.

Last edited by drband; 04-10-2017 at 03:34 AM.
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Old 04-10-2017, 03:45 AM   #54
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I had Doug at Acc-U-Rail install the Helicoils in my P938. This installation is flawless, I would suggest having them installed by an experienced pro if you have never done this before.

http://www.acc-u-rail.com
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Old 04-13-2017, 02:12 PM   #55
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Received my 938 SAS back today with the new frame. They also replaced the (their words) "modified" trigger, sear, hammer, and sear spring, and put in an updated mag catch. So everything on the bottom half is new except for the hammer spring. The only thing I had actually modified was the sear spring...just polished everything else. I guess they felt obligated to replace them all (or grabbed a completed frame of the line. Shucks, I had the trigger the way I liked it, too. I had specifically asked that they return anything they replaced and I got nothing back. Oh well....at least the entire bottom half is new! Off to the range tomorrow to see if any screws fall out.
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Old 04-13-2017, 05:26 PM   #56
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Hope you're good to go. Mine are very solid with the new frame.
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Old 04-13-2017, 06:07 PM   #57
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Originally Posted by Topgun1953 View Post
Received my 938 SAS back today with the new frame. They also replaced the (their words) "modified" trigger, sear, hammer, and sear spring, and put in an updated mag catch. So everything on the bottom half is new except for the hammer spring. The only thing I had actually modified was the sear spring...just polished everything else. I guess they felt obligated to replace them all (or grabbed a completed frame of the line. Shucks, I had the trigger the way I liked it, too. I had specifically asked that they return anything they replaced and I got nothing back. Oh well....at least the entire bottom half is new! Off to the range tomorrow to see if any screws fall out.


Hope it's fixed for good. I sent my 938 back in for failure to extract issues and to adjust the sights that were way off from the factory. Also I had one grip screw that kept coming lose. Customer service called me and asked if I had "modified" the extractor. I told them I have no clue how to even do that. They said it had been "modified" from its original condition specifically taken out and sanded down on one side I was told? Also they asked if I ever moved the front sight? I said no it came like that when I got it brand new. They put all new screws in now and they're very sight and secure thus far. I found it odd they were asking me so many questions and also like you using the term "modified" a lot. The CS rep didn't sound like he wanted to believe me that I didn't mess with it lol. So far 100 rounds through and no FTE or grip screw issues and sights were both adjusted to factory 0 it looked like.
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