Originally Posted by DWARREN123
No one distance is correct but I like to train at 3,5,7 and 10 yards. These distances will need no sight or hold adjustments.
I have also shot at other distances up to 25 yards for SD training. I am better at the shorter distances due to eye sight and other medical problems.
If you are "sighting" in a gun, there are usually two specific, finite distances at which POA=POI.
Glocks are "zeroed" for POA=POI at 25yards, which is also where many (most) ammo manufacturers set the POI for their bullets.