Sightmark red dot sights utilize advanced holographic laser technology to project a pinpoint laser over your iron sights that's only visible to the shooter. These top of the line red dot sights are lightweight, durable, and attach easily to a variety of rail systems. Maintain your depth perception and peripheral vision while increasing accuracy by attaching these SightMark products to your favorite weapon. Sightmark reflex sights can be made even more useful when used in conjunction with Sightmark red dot sight accessories, which allow you to quickly alternate between a rifle scope and your red dot sight or even magnify your red dot's range by up to 7x. Heavy recoil from shotguns, pistols, or even high caliber rifles is no problem for these Sightmark red dot sights, which will stay zeroed in no matter what you throw at them. Ideal in almost any situation, red dot sights by Sight Mark can turn virtually any weapon into a versatile, precision firearm.