Will mounting a laser on my gun mess it up?

Question

I have a 50mw green laser. If I mount it on a gun, will it mess it up or throw the lenses out of alighnment? More specifically, will a painball gun and an .22 that are both full-auto.

Answer 1

Google Laser Gun Sight and you will find it very commonly used.

Answer 2

A paintball gun would be completely inappropriate since your targets are generally other people and you can cause retina damage with a 50 mW green laser.

Answer 3

I doubt you will have any problem if it is a diode laser with a single lens (most if not all laser pointers)

A tip: the laser output will not be parallel with the case of the pointer, the mount will need to be adjustable.