Give yourself a new gauge for accuracy with the Aimpoint® Micro S-1TM Red Dot Sight mounted on your shotgun. Designed to employ both eyes open aiming you'll use your natural eye movement to remain fixed on a moving target and retain awareness of the surrounding area. Attaches directly to any point along a ventilated rib using interchangeable base plates and maintains the lowest possible optical axis. High strength aluminum is lightweight and provides a durable fully enclosed protective housing for the internal components. Windage and elevation adjustments customize your point of impact.