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Is my M11-A1 normal?

This is a discussion on Is my M11-A1 normal? within the SIG Sauer Pistols forums, part of the SIG Sauer Forum category; Hi everyone, I just got my new M11-A1. And I feel the trigger is kind of heavy especially the DA. I measured the trigger pull ...


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Old 04-24-2017, 07:12 PM   #1
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Is my M11-A1 normal?

Hi everyone,

I just got my new M11-A1. And I feel the trigger is kind of heavy especially the DA. I measured the trigger pull with a electronic scale and got the DA is 12-13 lbs and the SA is 5-6 lbs. And I know from sig specs the trigger pull should be 10/4.4 for DA/SA.

Is my trigger pull still normal for M11-A1? Or it is too heavy and I need to send my new M11-A1 back to sig for fixing?

Thank you.
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Last edited by uac; 04-24-2017 at 07:17 PM.
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Old 04-24-2017, 07:24 PM   #2
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i'm sure that the advertised 10/4.4 specs are average on a production firearm.

if you're on a digital scale you should've seen values to the 0.1 but you said 12-13 & 5-6 & i hope you took more than one measurement.

chances are that clean/lube/fire, repeat....pulls will get better.

welcome from az
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Old 04-24-2017, 07:47 PM   #3
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Welcome from PA!

New SIGs always break in time. Don't worry. M11-A1 is a great gun.
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Old 04-24-2017, 07:55 PM   #4
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Thank you guys for your rapid reply.

Yes, I did multiple measurements (about 10 times for each type). And the results are in the range 12.9-13.1 (DA) 5.4-5.5 (SA).

And it is almost 3 lbs more than the average for DA, is that still in the normal range from your experience? If the heavier trigger is only because the variation of the spring force , I can live with it. I am worry about the heavier trigger may be caused by some mechanical problem. What do you think?

Thank both of you again.

Last edited by uac; 04-24-2017 at 07:59 PM.
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Old 04-24-2017, 08:10 PM   #5
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It could be that the contact surfaces of the internal have to mate and wear in. That can be accomplished by lots of dry and/or live firing. Dry fire is less expensive but live fire is more fun.
Also clean and lube the gun well - SIGs like to be run wet. Grease where it slides, oil where it rotates or pivots.
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Old 04-24-2017, 08:10 PM   #6
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Clean, Lube, dry fire...shoot. Takes a while to wear down the rubbing surfaces, it sounds fine. I installed a Grayguns P-SAIT trigger in mine because I just don't like the stock trigger.

Last edited by Czechvar; 04-24-2017 at 08:13 PM.
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Old 04-24-2017, 08:14 PM   #7
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NOPE THAT IS AN UNSAFE WEAPON! Send it to me immediately for disposal!

but seriously....

I've had new Sig's including Legions come in REALLY high out of the box. With normal wear and lube in the weights should all relax at least half a pound or more.
The stock mainsprings are quite heavy and are the first thing that I replace in pretty much every hammer fired Sig I have with #17 or #19 springs.
I've had zero problems with #17 springs with the ammo I use and it will bring your single actions into the 3.5-4.5 range and DA into the 7-8.5 range which is really nice. For carry #19 is probably a safer bet.
It's one of the easiest modifcations and only requires you remove the grips and swap a spring. Just be sure to test function before you put the grips back on. If you unseat or dont re-seat the hammer strut the gun wont fire.
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Old 04-24-2017, 08:21 PM   #8
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Welcome to SigTalk. Congrats on your new Sig. I'm sure your DA pull will fall within specs. It will get better. I hope you enjoy your new M11-A1. Greetings from the flat lands of Kansas.
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Old 04-25-2017, 03:56 AM   #9
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Welcome, congrats on your new sig.
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Old 04-25-2017, 04:03 AM   #10
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Yes, this is normal for a Sig DA/SA, but it will loosen up as you shoot it. Check it every couple hundred rounds and I'll bet you'll notice a registered difference. Great gun!
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Old 04-25-2017, 05:10 AM   #11
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I have read other people say the same thing about the M11's. The heavy pulls have been attributed to the phosphate coating the internals have on the M11's and the Sig P226's Mk25's. I've never shot one, so I can't say one way or the other. Just what I've seen other people say about them and report similar trigger pulls. if it bothers you, shoot the heck out of it, or take apart and polish, I mean polish only the contact points. I've done this, some non acetone nail polish remover to take off the black coating and then proceeded to polish the contact points. Some of my sigs have been improved more than others. They don't all magically feel loads better, but some do. Hope this helps.
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Old 04-25-2017, 05:14 AM   #12
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Quote:
Originally Posted by neverenuffsig View Post
I have read other people say the same thing about the M11's. The heavy pulls have been attributed to the phosphate coating the internals have on the M11's and the Sig P226's Mk25's.
I've read the same, but I don't think there is any merit to it. I've handled so many different Sig P series guns, and they all tend to have the same pull weight unless it is a different system, like the SRT, etc. Then there tends to be some variance by my experience, but Sig installs heavy 20lb mainsprings at the factory, so the pulls are all going to be pretty heavy until they loosen up or are modified.
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Old 04-25-2017, 05:17 AM   #13
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I had exactly the same problem with my M11-A1.
However; the trigger pull measured about the same as my two P226s.

I finally figured out the SRT (Short Reach Trigger) was the likely suspect. Although the trigger pull was the same, the shorter reach made me bend my finger back to pull, thus changing the geometry. The shorter fulcrum, not a tight spring, made it harder to pull.

In my case, I have long fingers, installing a Standard (Fat) trigger solved the issue.

Everybody's hands are different, and it may not help you. But here's something you might try. Wrap your trigger in electrical tape to increase the thickness to your guess of what a Fat trigger would be.

Is the trigger easier for you to pull? If so, maybe consider a Standard trigger. Changing to fatter grips will have the same effect. If not, confinue shooting or dry fire untill it gets easier to pull.
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Old 04-25-2017, 05:26 AM   #14
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Quote:
Originally Posted by jnichols2 View Post
I had exactly the same problem with my M11-A1.
However; the trigger pull measured about the same as my two P226s.

I finally figured out the SRT (Short Reach Trigger) was the likely suspect. Although the trigger pull was the same, the shorter reach made me bend my finger back to pull, thus changing the geometry. The shorter fulcrum, not a tight spring, made it harder to pull.

In my case, I have long fingers, installing a Standard (Fat) trigger solved the issue.

Everybody's hands are different, and it may not help you. But here's something you might try. Wrap your trigger in electrical tape to increase the thickness to your guess of what a Fat trigger would be.

Is the trigger easier for you to pull? If so, maybe consider a Standard trigger. Changing to fatter grips will have the same effect. If not, confinue shooting or dry fire untill it gets easier to pull.
I don't believe a different trigger will change what its pulling on a gauge will it? I wouldn't think so, but I could be wrong. I see what you are saying with geometry of your finger, but the gauge can't tell the difference in feel. If the phosphate coating is coarse, I can see how it COULD give a higher pull weight. Then again, I've never handled one so I can't say of personal experience. I have 4 sigs, 2 old german, and 2 new sig factory couple years old.
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Old 04-25-2017, 05:34 AM   #15
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I have this same issue with my M11-A1. Trigger pull is in the same range as yours. My few year old P226 Elite and my brand new P229 SAS Gen 2 are much better and in the specified range. Trying to decide what to do with mine, might try ordering a 19# spring.


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