Mounts instantly, won’t void your scope’s warranty, and you will finally be free to concentrate on your prey. The intense mamba green light can’t be seen by predators who don’t have the color receptors for the color green. The Stik-n-Shoot was designed by hunters for hunters to pop instantly on and off of the barrel of any gun but not come off until you want it to pulling 108 pounds of pressure. Best of all, it is not affected by freezing weather and doesn’t require you to purchase or carry around expensive batteries when the temperature drops.