Pigtail spring to remove or not

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cbr6864

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Has anyone else noticed the small pigtail spring wearing a grove and bowing out the sear housing where it contacts? Mine has and it looks to be a point of possible breakage.

Im not worried about the trigger weight especially seeing as most of the felt weight is actually the striker spring, but im thinking about removing it just to avoid it breaking the sear housing. My only real concern would be the trigger reset if the spring is removed.

Looking to get feedback on who has removed it and who hasnt as well as how many rounds through it.

Ill post pics of mine so you can see what im talking about
 
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Mine has been pigtail spring less since early 2010. > 2,000 rounds thru it since then without any reset issues, including with +P Gold Dot. But I did polish the sear components, especially the roughness in the slot that I think might interfere with sear reset under recoil. My 9VE mod thread:

http://smith-wessonforum.com/smith-...23505-sigma-9mm-range-review-trigger-job.html

I haven't shot my Sigma much lately, going to have to run some rounds thru it next range trip.
 
Has anyone else noticed the small pigtail spring wearing a grove and bowing out the sear housing where it contacts? Mine has and it looks to be a point of possible breakage.
Click to expand...
Leaving the spring in place will not cause the sear housing to break, or any other problem. I use Sigmas as loaners/trainers and there have been zero problems with the stock pigtail spring setups for many tens of thousands of rounds in several guns.
I have tried every reversible mod to the Sigma there is, and the best and first thing to do is polish the sear block slot to remove all the rough feel.
If the gun is only going to be a range queen, other mods will lighten the pull, but removing the pigtail is pointless. IMHO, most people who leave it out do so because there it a trick to putting it back it, and they can't get it in, so they decide the gun does not need it. It functions without it, as long as the other sear springs don't fail.
 
the last guy was right.polishing the sear helpsmore with smoothness than removing the spring does.i removed the inner spring on mine and broke the striker assy next time out.not sure what one had to do with the other,but im sure it was something.sent it back to smith and wesson because the striker assy is a factory only part now,and they replaced my striker assy and sear block free of charge.trigger feels great now and i will not mess with it again
 
When I first bought my Sigma I took the sear completely apart ad there wasnt any grove at all. Now after about 500rds there is a grove about half the depth of the sear "pigtail" spring.

If you read the patent the sear spring is needed as it applies force to the sear in the forward direction while the coil springs apply force in the upward direction. Both forces are needed for a constant linear trigger pull.

I guess i will just leave it in and see if the grove gets any deeper.
 
If you search Trigger Job here you will find some videos that show you how to remove two springs to lighten the trigger pull. One of them is the pigtail spring you speak of.

I have removed just that pigtail spring from my SW9VE. Trigger pull has dropped to about 6lbs and I have no troubles after 1000+ rounds.
 
Last edited:
Removed mine about 1,000 rounds ago, no problems since, my carry rounds are Ranger Ts, 115gr +P+, shot quite a few of them also.
 
I say keep it on. I don't see the point in removing it. I have almost 20,000 trouble free rounds through mine. Words of wisdom from a guy that doesn't know anything. :)
 
I've always voted to keep it stock.

The manufacturer doesn't put extra parts in for no reason.
 
leejack said:
The manufacturer doesn't put extra parts in for no reason.
Click to expand...

After being in manufacturing for 35 years and being involved in a number of cost reduction programs, I have to agree with that.

As a side note, does anybody know if the SD line of pistols incorporate a pigtail spring?
 
Garpo said:
After being in manufacturing for 35 years and being involved in a number of cost reduction programs, I have to agree with that.

As a side note, does anybody know if the SD line of pistols incorporate a pigtail spring?
Click to expand...

yes but the sear is a little different
 
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