Integrated electronic ballistic computer that attaches directly to a riflescope. BORS measures air temperature, barometric pressure and inclination to calculate the ballistic solution for the specified caliber and cartridge. Eliminates the need to count clicks as the distance is shown on the LCD screen. Model fits the Schmidt Bender 5-25x56mm PM II Illuminated. Includes Zero Gap Ultra High 34mm rings, Ballistic Software CD, interface cable, battery and mounting tools. Scope not included.