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One Trigger Pull, Two Shots

This is a discussion on One Trigger Pull, Two Shots within the SIG Sauer Pistols forums, part of the SIG Sauer Forum category; Has anyone had this happen? I have a Sig p239 and I love the gun for shooting and CCW. I bought it used. I shoot ...


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Old 11-16-2011, 09:55 AM   #1
 
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Has anyone had this happen? I have a Sig p239 and I love the gun for shooting and CCW. I bought it used. I shoot weekly on average. After getting the 239 two months ago, I did a field strip cleaning, then took it to the range. About Three trips later I was on the first shot off of DA, fresh clip, and bang-bang, from one trigger pull! Not good. Then last week it did it again, same DA condition. The gun has not double tapped from SA. At this point I'm hearing my Glock buddy laughing hard at my "complicated" gun. Hmmmm. But it was used, and I did notice is was extra dirty when I cleaned it. So last weekend I detail stripped it, which I should have done when I first got it, and wow; a micro version of the la brea tar pits. As part were falling out of the frame in a gooy pile I was reminded of why people use to buy Volvo cars (now Hondas?). Mainly so they could avoid maintaining them. This poor gun was a mess. Did the pervious owner consign it for the noted problem? So I cleaned it up, oiled and greased as necessary, and took it back to the range with a box of 100 rd WWBs. No problems to report. I tried every pull I could think of out of DA and the gun worked as advertised. Has anyone else had this problem? Did I do the right thing in terms of correcting the problem? Thanks in advance for your input.
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Old 11-16-2011, 11:21 AM   #2
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Haven't heard of your specific problem, but it sounds like your fix was the correct one.
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Old 11-16-2011, 01:36 PM   #3
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Mating faces of the sear and hammer have specific angles and tolerances. It's unlikely, but possible wear can cause these mating surfaces to deteriorate and cause the issue you've had. More often, especially when purchasing a used gun with an unknown history, an individual attempts to do a "trigger" job without proper training and qualifications. This type of smithing can result in a dangerous and unsafe weapon. I would have the gun looked at by Sig, especially since it's a weapon used for CCW. Even the occasional double fire is a sign that the potential exists for an accidental discharge at any time. It may be as simple as replacing the sear and/or hammer. Since the gun is used with unknown round count, I would also recommend looking at Sig's specific maintainance schedule which includes replacement of parts/springs to insure proper function and reliability. If not wishing to send the gun to Sig, these services and inspections can be performed by a Certified Sig Armorer if one is available to you locally.



Hope this helps...Sig Marine (Certified Sig Armorer)
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Old 11-16-2011, 07:52 PM   #4
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Interesting... If the problem does not repeat itself, that was more than likely the issue.
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Old 11-16-2011, 08:00 PM   #5
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Quote:
Originally Posted by windage40 View Post
Has anyone had this happen? I have a Sig p239 and I love the gun for shooting and CCW. I bought it used. I shoot weekly on average. After getting the 239 two months ago, I did a field strip cleaning, then took it to the range. About Three trips later I was on the first shot off of DA, fresh clip, and bang-bang, from one trigger pull! Not good. Then last week it did it again, same DA condition. The gun has not double tapped from SA. At this point I'm hearing my Glock buddy laughing hard at my "complicated" gun. Hmmmm. But it was used, and I did notice is was extra dirty when I cleaned it. So last weekend I detail stripped it, which I should have done when I first got it, and wow; a micro version of the la brea tar pits. As part were falling out of the frame in a gooy pile I was reminded of why people use to buy Volvo cars (now Hondas?). Mainly so they could avoid maintaining them. This poor gun was a mess. Did the pervious owner consign it for the noted problem? So I cleaned it up, oiled and greased as necessary, and took it back to the range with a box of 100 rd WWBs. No problems to report. I tried every pull I could think of out of DA and the gun worked as advertised. Has anyone else had this problem? Did I do the right thing in terms of correcting the problem? Thanks in advance for your input.


1. Your gun does not have a clip.

2. I've never seen a dirty gun double before.
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Old 11-16-2011, 08:19 PM   #6
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I remember hearing years ago that some early production and VERY dirty Ruger 1022's would double fire.



Sounds like a good cleaning was all that SiG needed.
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