The Segway Reticle Leveler Tactical is the evolution of the original Mark III Reticle Leveler. The Mark III was the first—and still is—the easiest and best solution to get your reticle straight when mounting a scope on a rifle. Our new Tactical version adds 3 new properties to the proven design. First: the color. The black background with contrasting day-glow green lines give the user a whole new perspective. Second: the Tactical version comes with a removable black adapter which allows the device to fit snugly into a Picatinny or similar type rail. This feature adds a level of stability. Third: height. When used with the adapter, the device sits higher off the base to accommodate the higher rings usually associated with tactical rifles.