Buy Vortex Optics from BattleHawk Armory! The Viper PST Gen II hands an unfair advantage to shooters who seek to keep the upper hand in every situation from close quarters to long-range shots. The illumination dial is cleanly integrated into the side focus adjustment knob for easy access and streamlined performance. The glass-etched reticle offers shooters highly functional, intuitive, and detailed hold points, yet remains uncluttered for optimal viewing and features 10 intensity levels with off positions between each setting. EBR-7C (MRAD) Hash-marked ranging reticle using MOA or MRAD based subtension lines for ranging, holdover, and windage corrections. Letters refer to reticle subtensions listed in chart below. Magnification 5-25x Objective Lens Diameter 50 mm Reticle EBR-7C (MRAD) Turret Style Tactical Tube Size 30 mm Adjustment Graduation .1 MRAD Parallax Setting 25 yards to infinity Max Windage Adjustment 10 MRAD Max Elevation Adjustment 20 MRAD Travel Per Rotation 10 MRAD Field of View 24.1-4.8 ft/100 yds Eye Relief 3.4 inches Length 15.79 inches Weight 31.2 oz