Barrett Optical Ranging System for Leupold Without Rings. ntegrated 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 does not include scope or rings and fits Leupold Mark 4 scopes with M1 dials. Includes Ballistic Software CD, interface cable, battery and mounting tools.
