Originally Posted by
GJM
I regularly dry fire using a SIRT, with the trigger as it came, and real G17. The triggers are somehwat different, both in weight and pull characteristic, but I don't think it matters. I primarily use the SIRT to keep me honest with POI as indicated by the laser, but often tape over the muzzle (and laser) using the self resetting trigger as I watch the front sight with no distraction. I finish with my actual 17, and within a press or two, am dialed back on my exact trigger.