Originally Posted by Paul39
Awhile back I bought a .22 conversion unit for my Glock 19. It functioned OK with the recommended ammo, and was accurate, but shot 4" above POA at 15 yards, with the rear sight at top of the elevation....


Wait a minute....

Is this a typo? Your rear sight was all the way up? Did you try moving it the other way?


Lunatic fringe....we all know you're out there.