When success rides on the perfect shot, rely on the exceptional versatility and optical performance of ViperA(R) HD riflescopes. From predators to big game, river bottoms to the Rockies, there&';s a field-proven configuration for every hunting application. Ultra-rugged. Remarkably adaptable. Each member of the ViperA(R) HD family delivers outstanding image clarity, resolution, and sharpness to ensure your target comes into view with sharp detail. ViperA(R) HD also boasts enhanced features for unmatched accuracy at extended ranges while excelling in the low light of dawn and dusk when game is most active Features HD OPTICAL SYSTEMOptimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provideoutstanding color fidelity, edge-to-edge sharpness and light transmission. ILLUMINATED RETICLEProvides precise aiming under low-light conditions. 30mm MAIN TUBEFor increased travel. REVSTOPA(R) ZERO SYSTEM(ON SELECT MODELS) For a rock-solid return to zero after turret adjustments. EXPOSED LOCKING ELEVATION TURRET(ON SELECT MODELS) Integrated locking mechanism prevents accidental adjustments. Elevation turret provides fast, accurate, easily read elevation adjustments WHAT&';S IN THE BOX Neoprene Cover Sunshade Lens Cloth CR2032 Battery