We used a Caldwell Lead Sled to sight in and match up iron sights, crosshairs, and a laser on a .22. Only a .22, but it stayed solid and repeatable through everything we were doing.

Well behaved women never make history.~ Out back
Quit laughing...I think I broke something.

Fifteen is my limit on Schnitzen-Gruben, Baby...

I have OCD and ADD, so everything has to be perfect, but only for a minute.