Designed to fit any railed shotgun, GOBBLESTOPPER is your ideal hunting companion during turkey season. The DUALCOLOR Center Dot reticle allows you to choose between red or green for ideal target contrast. The included detachable sunshade prevents the glare of low-angle morning light and reflection of the objective lens. Spare battery storage inside the brightness adjustment cap ensures that you will be ready when that big tom steps out. Includes flip-up lens covers and batteries.