Sub 4" open sight, slightly modified 9mm compact P-10C. I zeroed it for a 6 o'clock hold at 50 yards standing, single hand, slow fire, and here is how that worked out.
As with every pistol I have, when I prep the trigger, grip tight, and accept the wobble, I can hit the 9 or 10 ring. When I move the gun as I am releasing the hammer, uh, striker, the holes move with the gun.
An excellent, humbling, instructive, but short, range session today. Video will finish uploading by 11:30 CDT, I hope.
https://youtu.be/S81_VbPTkckJoe