Excaliber wrote:
It's best to practice in ways that work with lots, some, and almost no light and at different ranges to the point where you're sure your technique is good to go in all circumstances. Remember that performance will deteriorate significantly under life threatening stress.
If your "groups" at short range are from "hip to chest height", some of your shots in a live encounter will likely be not just off paper, but "off thug". Using sights whenever possible increases precision and reliability, and reduces the number of things that can go wrong. In real life, there are enough of those without adding unnecessary ones.
Also consider - are you practicing in good light because you have reason to believe any serious encounter you may have will occur during the day, or because that's when the range is open? Many, but not all, serious encounters occur in low light. Try practicing under those conditions and see how your technique performs. I suspect you will find that use of sights and bringing the gun to eye level are a significant help to reliable performance at those times. When light is really low, you'll likely find night sights are helpful too, although I don't consider them critical for most non LEO's.
That brings up a good point! I never shot a at night until I was in a scenario at night, and I had to shoot. I was only able to squeeze off one shot, and it was barely, and I mean barely lethal with a well aimed shot. I hit a good 12in off mark, and after that shot, I couldn't get another clear shot. Since then, I've taken the time to practice at night doing maneuvers in different situations. The scariest of which were room clearing in the dark, and in the open with multiple spaced hiding spots. All I have to say, is that I never want to work nights again.
I know it's hard to find a place where you can shoot in low light, or even in the dark, especially because of safety concerns, but it's been invaluable training for me.
Sorry if I come here with a strange and to non-Leo's, It's always the same to me.