The Sightmark series of reflex sights are designed to create a lightweight, yet accurate, sight. The Ultra Shot QD is Sightmark’s update to the popular Ultra Shot. Perfect for shotguns or rifles, the Ultra Shot QD comes with a built-in, integrated Weaver mount, which fits all standard bases, and unique quick detach mounting system. The wide array of exclusive features is what makes the Ultra Shot QD an unusually versatile sight, and must-have shooting accessory for any well-stocked arsenal. With all its distinguishing features, included accessories, and Limited Lifetime Warranty, the Sightmark Ultra Shot QD is literally in a class by itself! NOTE: Prior to using the sight, please wipe off glass and LED with an optics cloth.