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Trigger Kit for SP101

This is a discussion on Trigger Kit for SP101 within the Ruger Double Action forums, part of the Pistol & Revolver Forum category; I'd reduce my trigger pull on my 2 SP101s. What do you guys recommend?...


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Old August 19th, 2010, 01:33 PM   #1
 
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Trigger Kit for SP101

I'd reduce my trigger pull on my 2 SP101s. What do you guys recommend?



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Old August 19th, 2010, 01:44 PM   #2
 
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Personally - I recommend leaving in the stock springs. I pull my 3 apart and polish/deburr the internals of the trigger assmy, hammer and hammer strut. That has really smoothed out my 3 triggers (2.5" DAO & DA/SA; 3" DA/SA)
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Old August 19th, 2010, 02:17 PM   #3
 
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+1 on leaving the stock springs in. I used to change out springs in my SP101's to lighten the trigger pull but I've gotten light strikes on primers and sluggish trigger return. Polishing the trigger return tunnel in the grip frame and parts will smooth things up and not impede performance.

Best Regards,
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Old August 20th, 2010, 05:12 AM   #4
 
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Thanks for those tips. I give those suggestions a go first!
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Old August 20th, 2010, 08:47 AM   #5
 
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What they said.

I did get a spring kit also. If you do lighten the springs, be sure to test it for light strikes. I put in the lightest spring and needed to switch up to the next heavier spring after getting a few light strikes with some brands of ammo.
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Old August 20th, 2010, 09:02 AM   #6
 
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A 'light strike' in a revoler is a heart stopper for me.

The only 'good' option is to open the cylinder and remove the rd - IMHO.

Pulling the trigger afterwards leaves you with the possible of the round eventually firing with the chamber not aligned w/Bbl.

With an auto loader and a hammer just keep cocking and firing
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Old August 20th, 2010, 08:04 PM   #7
 
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The two loudest sounds are
a bang when you expect a click
and a click when you expect a bang.

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Old August 20th, 2010, 09:01 PM   #8
 
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I have had a couple of light strikes with the Wolff 9# mainspring. No problems with the 10#. Some guns don't benefit from the fluff and buff. Unless yours is a little rough, don't expect much.
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Old August 20th, 2010, 11:54 PM   #9
 
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Texas Trails...Here's the skinny on springs. Wolff springs are the goto springs I have used. I put in the #9 hammer strut spring and kept the stock trigger return spring. You get a nice soft trigger pull, and a quick trigger reset. I have not had any light strikes yet. 500+ rounds down range so far. IMHO. Good luck.
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Old August 23rd, 2010, 09:24 AM   #10
 
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Quote:
Originally Posted by wllmandre View Post
Texas Trails...Here's the skinny on springs. Wolff springs are the goto springs I have used. I put in the #9 hammer strut spring and kept the stock trigger return spring. You get a nice soft trigger pull, and a quick trigger reset. I have not had any light strikes yet. 500+ rounds down range so far. IMHO. Good luck.
====

Thanks for that info ... I think I may give that a go ... I have tried dry firing as some suggested to improved the pull and reset. Thats a lot of work.
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Old August 23rd, 2010, 09:37 AM   #11
 
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Wolff 10 lb hammer, 8 lb trigger return = perfect
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Old August 23rd, 2010, 11:04 AM   #12
 
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Suggest getting the Wolff trigger spring kit. Before changing out springs try the "fluff & buff" aka IBOK to the gun. In many cases the 8 lb trigger return spring will not reset the trigger adequately without cleaning out the trigger return spring channel with a drill bit and some other polishing. If it works successfully you may or may not like the reset speed. Mainsprings can be reduced somewhat from the stock 14 lb mainspring and work. Here again what works will depend upon internal friction and tolerances in the gun especially as it may affect firing pin protrusion. For what it is worth putting a 9lb mainspring and 8 lb trigger return spring on my tuned and smoothed SP gave a double action of about 8.4 lbs vs. 14 stock. As the 9 lb mainspring works on all the ammo I have run through it I put the 10 lb mainspring in just to ensure down the road it won't FTF due to spring set.

Thus, being you are interested in the springs and other improvements would suggest doing them as the spring kit isn't that much dollar wise. If you like it fine and if you don't you are not out much and won't always be curious as to what could have been. Also, reducing mainspring pull weight by any great degree will increase locktime (albeit there are ways around this).

Last edited by Rover; August 23rd, 2010 at 11:07 AM.
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Old August 23rd, 2010, 06:57 PM   #13
 
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For some reason, my 10# Wolff spring feels heavier than the stock spring. The 9# feels great, but I had 3 or 4 light strikes last range trip.
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Old August 23rd, 2010, 08:37 PM   #14
 
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I changed my mainspring to a wolf (I think it was 11) and i really like the smooth pull I have now.
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Old August 25th, 2010, 06:17 AM   #15
 
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Quote:
Originally Posted by Rover View Post
Suggest getting the Wolff trigger spring kit. Before changing out springs try the "fluff & buff" aka IBOK to the gun...
Can you post the method as an excerpt from the IBOk? I do not have his manual.
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