My Model 19-3 4" was giving me problems today. I was watching TV and dry firing when it kept "short stroking". I thought it was just me so I slowed down and made sure the trigger was coming all the way back. It still would get hung up, sometimes the hammer could not be pulled either.

I popped off the side plate and slowly worked the action. The sear points seem to doing their job just fine and I could not make the problem happen with the side plate off (I was going real slow).

From studying the action it seems that the only place it could be hanging up is where the trigger meshes with the cylinder stop. I sprayed some cleaner in there and oiled it and then put the side plate back on. The trigger return spring looked like it was doing it's job OK.

This seems to have resolved the issue for now. I guess there could have been some crud in there somewhere...

So.... when short stroking, is it in fact the trigger cylinder stop mesh point that gets hung up?

Short stroking is really "trigger failure to return".
The "usual" cause is someone has either replaced or shortened the rebound spring, or it's super gummed up.

It's the rebound spring that returns the trigger. Some people either shorten the spring or replace it with a lighter spring to give a lighter trigger pull.
This can cause shooter induced short stroking, or mechanical trigger return failure.

In any case a lighter or shorter spring slows the action down and reduces the speed the action can function, and this in turn reduces how fast the gun can be fired.
If the gun gets gummed up or dry of lube, it can cause the trigger to fail to reset fast enough or at all.

In the old days people thought the lighter the trigger was the "better". Today we know that a smooth trigger action is more important and seems lighter. A standard spring is more reliable, and the best way to lighten the trigger is to build up the strength of your trigger finger.

In your case, I'd be looking at the rebound spring for shortening or replacement with a lighter spring. While you're in there, clean and re-lube.

Thanks dfariswheel, I did oil the rebound spring while I had the plate off so maybe that was the issue as it is working perfect now.

It was strange because it would exhibit shot stroking behavior when first picking the gun up and pulling the trigger, so it was not a true short stroke incident as it was the first and not the second pull of the trigger.

It could be that the rebound spring was hung and it had not returned the trigger from the last time it was pulled and the gun was set down.

Either way... I am still unsure as to exactly what is binding in a short stroke incident, which parts are getting hung up together?

As I said above, I slowly cocked the hammer with the plate off studying the action, and the only place I could see that two parts could get stuck was the trigger where it meshed with the cylinder stop.

Must-not-respond......

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