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Old 02-11-2011, 09:50 PM
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Default Sigma trigger pull and travel length

I am wondering about the trigger pull and travel length for a Sigma 40. (SW40VE)

Any help would be appreciated.

Thanks!

Last edited by Murraybob; 02-11-2011 at 09:57 PM.
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Old 02-11-2011, 10:19 PM
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Long and hard, just like is was designed to be.
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Old 02-11-2011, 10:28 PM
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you can smooth it out a bit there's a lot of instructions on here how to and marson3erk did some serious mods to shorten the pull some check out his post
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Old 02-11-2011, 10:46 PM
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Quote:
Originally Posted by JAGGUY View Post
Long and hard, just like is was designed to be.
that's what she said.

as for the above post about "modding" your trigger. If you don't like a 10lb trigger pull that does lighten up once the gun gets broken in then don't buy the sigma. If you have a steady 'squeeze" or "roll" on the trigger like your suposto its not a problem. besides, "modding" your gun is probably grounds for a voided warranty. whats more important? a 3# trigger were you will probably shoot yourself in the leg drawing from concealed or a life time warranty?
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Old 02-11-2011, 11:22 PM
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I guess I didn't word my question very clearly. I am wondering what is the amount of trigger pull (is it 10 lbs?) and I am wondering about how long the trigger travels. I know the M&P 40 trigger travels .3 inches. Is the Sigma 40 the same, or is it different?
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Old 02-13-2011, 11:35 AM
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much longer
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Old 02-14-2011, 05:48 PM
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Per S&W, the trigger pull is approx. 3/4" and requires 10-12 lbs of "pull".
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Old 02-14-2011, 09:30 PM
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Sounds about right. It'll smooth out the more rounds you put through it. Just shoot it. You'll be fine.
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Old 02-15-2011, 02:41 PM
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Just picture it as a DA revolver and you'll get the idea. After breaking in the trigger, it will be lighter than a good DA revolver.

My sigma pulls 8 pounds after thousands of rounds. My 66-2 pulls 10.5 pounds and it's older than me.

My father-in-law just bought a .38 bodyguard and he told me the trigger is very hard and long. ( owns a glock 17 w/ the stock 3.5 trigger group) owning the guns I have, I didn't see a problem with it.

It's all what your use to.
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Old 02-15-2011, 09:56 PM
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Quote:
Originally Posted by Tat2U View Post
Per S&W, the trigger pull is approx. 3/4" and requires 10-12 lbs of "pull".
Thanks for the info. I've been trying to get that info from S&W and anybody else. You are the first one to give me the answer.
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Old 02-16-2011, 06:04 PM
MountaintopPA MountaintopPA is offline
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I have had a Sigma 9mm for 4 months now and I love the gun. I also own a BG380. These guns have two distinct purposes. For the pure joy of just shooting the Sigma is tops. For me it's as different as driving a Chevy Chevette (BG380) and then moving up to a Cadillac. going from a Chevy Chevette
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Old 02-19-2011, 06:54 PM
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i just finished my second round trigger job. i went against what everyone else said and cut down my sear. i installed a trigger stop and now my pull length is down to about 5/32. ive been to the range three times with this combo and through about 400 rounds with 0 ftf or any other problems.
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Old 02-19-2011, 08:21 PM
rlpos1 rlpos1 is offline
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Pics of what you did?
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Old 02-19-2011, 09:08 PM
marson3erk marson3erk is offline
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heres a pic of the stop, cant really show a pic of the sear. original contact distance of sear to striker was about .90mm cut it down to about .50mm. I filed down the bottom most section of the striker where it contacts the sear.
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Old 02-23-2011, 04:34 PM
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Another post that says long & hard. Mine is a 12 lbs trigger but if you develop the proper techinque it really does shoot well. The heavy trigger pull will actually make you a better shooter if you let it.
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Old 02-23-2011, 05:35 PM
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I agree with ET. I bunch up rounds well with my SW9VE. Contrary to what some say, some (we) have figured out the Sigma and it's 10-12 lbs trigger pull. It definately makes us better shooters.
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Old 02-23-2011, 07:41 PM
MDLNB MDLNB is offline
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Just a few minutes ago, I heard my son-in-law shooting, so I grabbed my sigma and ran outside. I don't need much excuse to shoot it lately.

I had just finished working on it. I cleaned it, and then started working on polishing the moving parts(again). This time, I cut a Qtip in half and pulled some of the cotton off of it. Then I attached it to my dremel and dipped it in some red polishing compound. Using the dremel, I polished the inside of the sear slot. I had already attempted smooth it with fine wet and dry sand paper. Then, I fine sanded the plastic ramp that the sear cam slides on. But, to top it off I sprayed everything with S&W dry lube and wiped the excess. My trigger pull is so smooth it feels like it is sliding through butter. I also pulled the striker and extractor and sprayed it, as well as the slide. Everything was lightly wiped.

My son-in-law paided me the ultimate insult(compliment?). He whistled and told me that it fired like a Glock. He was amazed at how smooth it fired. He had a friend visiting and when told how much a Sigma costs, after firing mine, he said he no longer wanted a Glock like my son-in-laws. He said he is buying a Sigma.

Right now I am firing a few boxes of PMC 115gr FMJ that I picked up for about $9 a box of 50. I almost bought some cheap brown bear ammo, but got turned off when I saw the drips in the coating on the brass. I want to torture my pistol, but I not going to put that krap in it. If I can fire the worst stuff in it without failure, then I will be comfortable firing my better stuff, Ranger LE and Federal HST.

When I finish torturing my Sigma with cheap stuff, I will start firing +P ammo from it. So far I have not found the ceiling on it's capability yet. I am starting to like this pistol almost as much as I liked my old Ruger Security Six.
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Old 02-27-2011, 07:05 PM
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Quote:
Originally Posted by ET. View Post
Another post that says long & hard. Mine is a 12 lbs trigger but if you develop the proper techinque it really does shoot well. The heavy trigger pull will actually make you a better shooter if you let it.
I agree. I have gotten better groups with the Sigma than with the M&P precisely because of the trigger. It is heavy but smooth.
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bg380, bodyguard, concealed, extractor, glock, ruger, sigma, sw40ve, sw9ve

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