Using their exclusive React technology, all you need to do is sight in your 20 and 30 yard pins and your pins out to 80 yards will automatically fall into place. Tool less micro adjustment means you won't have to worry about bringing an allen wrench into the field. Solid 6061 aluminum zero tolerance construction ensures sure shooting confidence from the range to the field. Second and third axis leveling capabilities team up with a precision installed bubble level to ensure your aim is true. Front mounted fiber optic ring maximizes pin brightness while protecting the fibers, and a rheostat sight light enhances visibility when shooting in low light. Contrast glow ring around sight housing makes peep alignment quick and easy. Black finish. Stainless steel hardware.