Just shot 15 rounds with a completely occluded optic. Completely cold, I haven't fired a pistol in several weeks. This would be worst case scenario with a dot...The window fills up with mud, the lens spiderwebs and you can't see through it, etc.
1 shot from the holster x 5 rounds at 3-5-7 yards. 1.6ish per shot. I had one miss at each yard line.