Par for the course. You're not going to be able to get much better, if at all.It’s a Ruger GP-100 in 22lr. I use it as a training gun for competition so I have about 20,000 rounds through it. So the trigger pull is already very smooth, but heavy.
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This gun is likely between 16 and 18 pounds in DA. Pretty heavy.
Do you have drag marks on the hammer from the hammer rubbing against the frame? If so I’d install the hammer shims and try one weight lower for the mainspring and see what happens. Worse case scenario you get some light strikes and have to reinstall the old spring. I was able to sand down the hammer stop some on mine without issue.
Par for the course. You're not going to be able to get much better, if at all.
The .22 LR and .327 Federal models have to have the stiffer springs for reliable ignition. (.22 LR, to smash the rims, of course; and .327 Federal because the cartridge uses rifle primers.)
If you want to practice with something closer to your competition revolvers, use your competition revolvers.
"...a training gun for competition..." That should be the firearm and ammo you use for whatever shooting game you're playing.
Can’t say I quite believe this story.in the old days when all cops carried revolvers they used to take the side plate off and fill it with valve rubbing compond. then put snaps caps in the cambers and dry fire it 1000 times. never seamed to hurt the gun. just made is smooth as ever.cleaned it out and used it as their main sqweeze. cant say if it did anything. got to say my wifes ruger lcr and my lcr are smooth enough in trigger to never ever have to do that. it happened in the old days, cant say it was good or bad.