Want to extend your effective shooting range at distances where bullet drop and wind drift become critical? Take a look at the Viper HS LR riflescope. The LR stands for long range -- and we mean it. This riflescope features an exposed target-style elevation turret built for dialing elevation at extended ranges. The capped windage turret maintains the scope&';s sleek lines and prevent it from hanging up on clothing, rifle cases or pack scabbards. Viper HS LR riflescopes feature an advanced optical system highlighted with a 4x zoom range for magnification versatility. A forgiving eye box with increased eye relief gets shooters on target quickly and easily. Built on an ultra-strong 30mm one-piece machined aluminum tube for increased windage and elevation travel and optimal adjustment. a Magnification: 4-16 x a Objective Lens Diameter: 50 mm a Eye Relief: 4.0 inches a Field of View: 27.4-7.4 feet/100 yards a Tube Size: 30 mm a Turret Style: Tactical Elevation Capped windage CRS Zero Stop a Adjustment Graduation: 1/2 MOA click elevation 1/4 MOA click windage a Travel per Rotation: 24 MOA elevation 12 MOA windage a Max Elevation Adjustment: 75 MOA a Max Windage Adjustment: 50 MOA a Parallax Setting: 50 yards to Infinity a Length: 13.7 inches a Weight: 21.4 ounces