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Old 03-24-2017, 02:39 PM
Cariboo Canuck Cariboo Canuck is offline
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What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring?  
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Default What weight Wolff rebound spring?

A while back I reported my M19 snub had locked up due to the ejector rod backing out. Got that sorted out.
That resulted in one of the ratchet pins coming out. I found the pin and reinstalled it successfully.

Now I want to replace the rebound spring. I have the Wolff spring kit. Which weight should I go with?

I'll be using the gun in club level IDPA matches.
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Old 03-24-2017, 02:55 PM
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The rebound spring isn't nearly as critical as the hammer spring. You should be able to go with their lightest w/o any problems. Too light on the hammer spring though can cause primer failure, unless you switch to reloads with Federal primers.
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Old 03-24-2017, 03:19 PM
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If they check your SA pull befor the matches, the lighter rebound springs may cause the gun to fail this integrity check. Light springs will have an affect on the SA pull weight.....making it lighter. A very light rebound spring may also cause reliability issues in terms of trigger return. If you are doing any rapid firing during the match, you'll need to retain enough force in the rebound spring to insure positive trigger return.

Without any further internal modification, you should be able to use a 13 to 14 pound rebound spring in your model 19. Make sure to check your SA pull rate after any spring modifications/substitututions.....and test fire the gun with your match ammo to ensure reliability. The minimum SA factory pull is 3 pounds.
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Old 03-24-2017, 03:21 PM
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I use 14# on my IDPA revolver so I get a snappy return with no dragging. I use the strutted mainspring with an extended strain set to 7# double action pull.
Some go lighter on both, and I beat some people who get some misfires in a match.
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Old 03-25-2017, 03:36 AM
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I vote for the 14# rebound spring too.

I just added one to my M357 Night Guard that had a 4-3/4# SA pull before. After polishing the rebound block, lube & 14# spring it was right at 2-3/4#, which was better than I usually get.

Sometimes I have to clip 1/2 a turn or more to get the 2-1/2# SA I like for my casual target shooting.

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Old 03-25-2017, 12:54 PM
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I always use the 14# spring for reliability.
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Old 03-25-2017, 09:31 PM
Cariboo Canuck Cariboo Canuck is offline
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What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring?  
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I installed a 14 lb spring and shot it last night in IDPA pratice. After firing a cylinder load to check "0", I shot the stages, going for only head shots! Not that much of a challenge as the furthest targets were at 12 yards.

I think it is going to be a fun gun.
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Old 03-25-2017, 10:03 PM
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Good Choice.
I've found the 14# will drop in and work well and reliably in just about any S&W revolver. 13 or 12# if you are willing to do some extensive polishing of the internals.
I don't normally change out the hammer/main spring unless I'm going for a super light DA trigger in a range (only) gun.
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Old 03-26-2017, 06:16 AM
Cardboard_killer Cardboard_killer is offline
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14# does seem to be the sweet spot. I've sometimes been able to go lighter with polishing, but usually I end up not getting as positive trigger reset as I like with the 12/13# springs.
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Old 03-26-2017, 10:34 AM
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I use a 13# rebound in my 617. Lightened up SA pull nicely.

I have a 12# that I was going to try but it is just fine with the 13# and I have read of reset issues using with a too light a rebound spring so I am sticking with the 13#.
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Old 03-26-2017, 11:34 AM
Cariboo Canuck Cariboo Canuck is offline
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What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring? What weight Wolff rebound spring?  
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Comparing the lengths of the various Wolff springs, you, can't judge their rating by that. Thank God they package them separately.

I have a couple of loose rebound springs of unknown rating. Is there way of determining what rating they are?
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