Green Scope Zeroing Laser

It is a laser that can be used to zero 4.5 mm, 5.5 mm and 6.35 mm caliber rifles, rear sights, reddots and binoculars.
It is easy to use and simply attaching it from the end of the barrel will be sufficient.
For the rear sight zeroing adjustment, a distance of 25 meters will be sufficient, and for the scope and reddot zeroing adjustment, a distance of 50 meters will be sufficient.