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Old 07-03-2012, 09:03 AM   #1
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S & W 5906 Double Action Pull

Anyone have any experience reducing the double action pull by shortening the mainspring. How many coils, etc? Before I would try it I would obtain at least one new spare.
 
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Old 07-03-2012, 09:59 AM   #2
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Quote:
Originally Posted by jaci1048 View Post
Anyone have any experience reducing the double action pull by shortening the mainspring. How many coils, etc? Before I would try it I would obtain at least one new spare.
I do not suggest cutting any spring as a way to reduce strength.

The double action is compressing the main spring as the trigger is pulled. Lightening the spring could result in light firing pin hits.

Also the recoil spring and main spring work together to reduce the felt recoil. Reducing the main spring could mean that a stronger recoil spring is needed to compensate for the lack of resistance.

Putting in a too heavy recoil spring can lead to other problems (i.e. ejection and feeding).
 
Old 07-03-2012, 03:27 PM   #3
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Thanks!
 
Old 07-03-2012, 08:47 PM   #4
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Dan is right: springs are a balancing act, especially in a semi auto.

Get a Hammer Spring Pak Reduced Power (Stock No. 26581) to experiment with from Wolff.
Springs for SMITH & WESSON NUMBERED SERIES Semi-Auto Pistols

The trigger return spring will also affect the pull as will any roughness in parts or frame.

You don't want a lighter hammer spring if you are going to shoot +P+ ammo or even frequently +P ammo as the hammer spring also helps cushion the slide in recoil.

If you are going to do this, keep in mind the recoil and hammer springs have to be balanced for your ammo and grip - especially for self defense. The trigger return spring also has to be reliable, so if you're going to go lighter with that, again be careful.
 
Old 07-04-2012, 08:34 AM   #5
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S & W 5906 Double Action Pull

Dan & Dave,

What got me to thinking about this is I have two 5906's, one with a plastic mainspring plunger and one with what appears to be a stainless steel mainspring plunger. The plastic plunger looks somewhat worn on the bottom and seems to fit deeper into the grip and grip pin and this pistol has a lighter double and single action pull than the one with the stainless plunger. They both function perfectly with 3.9 grs. of Titegroup behind 125 gr.cast r.n. bullets. Both are police trade-ins. I wonder if someone may have modified the end of the plastic plunger?

I really like pistol and consider it a formidable weapon, especially with the Crimson Trace Laser Grips.

Thanks for your advice!

David Post
Goliad County, Texas
 
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