Illuminated Dead-Hold® BDC (MOA) Reticle | 30mm Tube When success rides on the perfect shot, rely on the exceptional versatility and optical performance of Viper® HD. 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 Viper® HD family delivers outstanding image clarity, resolution, and sharpness to ensure your target comes into view with sharp detail. Viper® HD also boasts enhanced features for unmatched accuracy at extended ranges while also excelling in the low light of dawn and dusk when game is most active. Viper® HD 3-15x44 Dimensions (in inches) Lengths L1 L2 L3 L4 L5 L6 13.2 2.1 1.8 5.5 4.3 3.4 Heights H1 H2 2.03 1.7 Feature Tech HD Optical SystemOptimized with select glass elements to deliver exceptional resolution, cut chromatic aberration, and provide outstanding color fidelity, edge-to-edge sharpness, and light transmission. Fully Multi-Coated LensesAnti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Illuminated ReticleProvides precise aiming under low-light conditions. Single-Piece TubeMaximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness. Argon Gas PurgedGas purged and O-ring sealed for superior fogproof and waterproof performance in the most extreme conditions. Fast-Focus EyepieceAllows for quick and easy reticle focusing. Aircraft Grade AluminumConstructed from a solid block of aircraft-grade aluminum for strength and rigidity. ArmorTek®Ultra-hard exterior lens coatings defend against scratches, oil, and dirt. Low-Glare Matte Black AnodizeCorrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position. WaterproofDesigned to withstand harsh weather conditions. FogproofDesigned to withstand a wide range of temperatures. ShockproofDesigned to withstand the highest levels of recoil and impact. ILLUMINATED DEAD-HOLD® BDC (MOA) Customized hashmark design helps eliminate guesswork on holdover and windage corrections. Good for hunting and shooting at varying ranges, where estimating holdover is a concern. What's in the box Neoprene Cover Sunshade Lens Cloth CR2032 Battery Specifications Magnification 3-15x Objective Lens Diameter 44 mm Focal Plane Second Focal Plane Reticle Illuminated Dead-Hold® BDC (MOA) Eye Relief 3.4" Field of View 39.9' - 8.0' @ 100 yds Turret Style Capped Tube Size 30mm Adjustment Graduation 1/4 MOA Travel Per Rotation 25 MOA Max Elevation Adjustment 92 MOA Max Windage Adjustment 92 MOA Parallax Setting 20 yds. - ∞ Length 13.2" Weight 21.5 oz. Product Videos Manuals & Parts Vortex Viper HD 3-15x44 Product Manual Vortex Viper HD 3-15x44 Reticle Manual Vortex Viper HD 3-15x44 Parts Diagram