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SRT Question

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Old 01-09-2013, 08:18 PM   #1
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SRT Question

What happens if you don't use the decocker to take down a Sig with an SRT?
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Old 01-09-2013, 09:06 PM   #2
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I have an M11-A1 and as far as I can tell the SRT works just like any other DA/SA trigger. It just has a shorter pull in SA than a traditional Sig trigger, more like a good revolver SA trigger. Some folks like this and some don't.
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Old 01-09-2013, 09:58 PM   #3
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Pretty sure if u don't use the decocker u have a chance of drop fire if it falls and lands on the hammer
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Old 01-10-2013, 03:11 AM   #4
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The SRT functions exactly like the standard pistol with one exception. The safety lever continues to hold the firing pin block up until the trigger is released, while the standard reset system releases the safety lever as the slide goes to the rear after firing, allowing the firing pin block to capture the firing pin. So, with the SRT, if for some reason the hammer was to follow the slide due to another component failure, OR you "thumb" the hammer down and it slips, it is possible to get a second strike.

I will add that Sig supposedly increased the sear to hammer engagement (i.e. creep) in the SRT system to counter a double-strike problem that they had, when they first introduced the SRT. I have not heard of, or seen, any pistols with the SRT doubling, or going full auto, in normal operation, but technically, the possibility does exist.
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Old 01-10-2013, 04:34 AM   #5
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Quote:
Originally Posted by GerryR View Post
The SRT functions exactly like the standard pistol with one exception. The safety lever continues to hold the firing pin block up until the trigger is released, while the standard reset system releases the safety lever as the slide goes to the rear after firing, allowing the firing pin block to capture the firing pin. So, with the SRT, if for some reason the hammer was to follow the slide due to another component failure, OR you "thumb" the hammer down and it slips, it is possible to get a second strike.

I will add that Sig supposedly increased the sear to hammer engagement (i.e. creep) in the SRT system to counter a double-strike problem that they had, when they first introduced the SRT. I have not heard of, or seen, any pistols with the SRT doubling, or going full auto, in normal operation, but technically, the possibility does exist.
Good to hear from you sir. Are there any visual cues to identify the SRT as compared to the standard trigger?
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Old 01-10-2013, 06:36 AM   #6
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To test for SRT, verity that the gun is empty. Pull the trigger to the rear and HOLD. Rack the slide while continuing to hold the trigger to the rear. After the slide is in battery, slowly release the trigger and estimate the distance of travel until it resets (clicks). On a gun with the SRT installed, the reset will occur at approximately 1/8" - 3/16" of travel. A gun without the SRT will be about double.

Semper Fi...Sig Marine
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Old 01-10-2013, 07:30 AM   #7
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Excuse me but....I think Lucky's original question was about "taking down" the pistol "without using the decocker". I believe instructions for removing the slide from a pistol with SRT requires using the decocker before taking slide off. I may be wrong about Lucky's question but if that's what he's asking, I'd like to hear the replies also. Thanks.
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Old 01-10-2013, 08:53 AM   #8
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Originally Posted by Nam69 View Post
Excuse me but....I think Lucky's original question was about "taking down" the pistol "without using the decocker". I believe instructions for removing the slide from a pistol with SRT requires using the decocker before taking slide off. I may be wrong about Lucky's question but if that's what he's asking, I'd like to hear the replies also. Thanks.
As you said, the manual says to decock the hammer with the decocking lever to retract the safety lever so the slide can be removed. I'm assuming the slide cannot be removed without damaging the trigger mechanism and/or safety lever if the safety lever has not been retracted.
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Old 01-10-2013, 09:15 AM   #9
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Originally Posted by ThnkFrst View Post
As you said, the manual says to decock the hammer with the decocking lever to retract the safety lever so the slide can be removed. I'm assuming the slide cannot be removed without damaging the trigger mechanism and/or safety lever if the safety lever has not been retracted.
You are correct,the slide catches,just move the decocker a bit and the slide moves right past it.At least on my 229.
I don't think the m-11 has srt and I know the mk25 does not
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Old 01-10-2013, 09:39 AM   #10
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Originally Posted by Sig Marine View Post
To test for SRT, verity that the gun is empty. Pull the trigger to the rear and HOLD. Rack the slide while continuing to hold the trigger to the rear. After the slide is in battery, slowly release the trigger and estimate the distance of travel until it resets (clicks). On a gun with the SRT installed, the reset will occur at approximately 1/8" - 3/16" of travel. A gun without the SRT will be about double.

Semper Fi...Sig Marine
a good test & re-set is ez to compare, if you do the same test with a non-srt sig.
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Old 01-10-2013, 11:15 AM   #11
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Sorry if I misinterpreted the orignal question, but if you mean removing the slide, Nam69 is correct about using the decocking lever to get the slide off.

Also, Sig Marine's test is not conclusive; I have had many pistols come through my shop with the SRT with the same or longer (believe it or not) resets than standard pistols. How is this possible, you might ask? Don't know, but I guess with Sig, these days, all things are possible! The best way to tell is to remove the right grip panel and look at the sear and safety lever.
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Old 01-10-2013, 11:59 AM   #12
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Quote:
Originally Posted by GerryR View Post
Sorry if I misinterpreted the orignal question, but if you mean removing the slide, Nam69 is correct about using the decocking lever to get the slide off.

Also, Sig Marine's test is not conclusive; I have had many pistols come through my shop with the SRT with the same or longer (believe it or not) resets than standard pistols. How is this possible, you might ask? Don't know, but I guess with Sig, these days, all things are possible! The best way to tell is to remove the right grip panel and look at the sear and safety lever.
What would be the telling feature(s) of the SRT looking at the sear/safety lever?

Would the safety lever of an SRT move up and down when cocking & decocking the hammer with the slide removed? And would a standard trigger safety lever not move under this scenario?
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Old 01-10-2013, 12:19 PM   #13
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Quote:
Originally Posted by GerryR View Post
Sorry if I misinterpreted the orignal question, but if you mean removing the slide, Nam69 is correct about using the decocking lever to get the slide off.

Also, Sig Marine's test is not conclusive; I have had many pistols come through my shop with the SRT with the same or longer (believe it or not) resets than standard pistols. How is this possible, you might ask? Don't know, but I guess with Sig, these days, all things are possible! The best way to tell is to remove the right grip panel and look at the sear and safety lever.
if the correct srt parts are installed for a specific sig & that sig hasn't been modified, i really find it hard to believe that the reset is longer than non-srt triggers unless parts were mfg incorrectly.

as seen in the pic, srt & non-srt are quite different.
Attached Images
File Type: jpg Short Reset Trigger.JPG (124.6 KB, 31 views)
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Old 01-10-2013, 02:25 PM   #14
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Quote:
Originally Posted by GerryR View Post
Sorry if I misinterpreted the orignal question, but if you mean removing the slide, Nam69 is correct about using the decocking lever to get the slide off.

Also, Sig Marine's test is not conclusive; I have had many pistols come through my shop with the SRT with the same or longer (believe it or not) resets than standard pistols. How is this possible, you might ask? Don't know, but I guess with Sig, these days, all things are possible! The best way to tell is to remove the right grip panel and look at the sear and safety lever.
If my reset was longer than before the SRT mod, it would be going back for a refund. When the factory did my changeover, they returned the original parts with the pistol, and there sure was a difference.They also did the "enhanced" job and not it is smother than soft butter.
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Old 01-10-2013, 04:23 PM   #15
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Thanks Everyone

I was talking about the take down of my P239. Thanks for the replies.
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