I used to do a lot of coon hunting. One of the guys I hunted with couldn't see well enough at night to see the sights on his rifle. This was in the very early days of laser sights. I rigged up a see thru scope mount as a base for a laser module and it was very effective.

More recently I've used a laser grip (in Texas, it's legal) on. 44 mag revolver to take a couple of wild hogs. It was early morning in deep woods, low light.

The he lasers work great at night or in low light situations. In full daylight, you can't see the red laser.