About this product Want to extend your effective shooting range at distances where bullet drop and wind drift become critical? Take a look at the Viper HSLR 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 HSLR 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. Included in the Box Protective Lens Caps 4" Sunshade Lens Cloth Viper HSLR 4-16x50 Dimensions (in inches) Lengths L1 L2 L3 L4 L5 L6 13.56 2.1 2.21 5.65 4.31 3.6 Heights H1 H2 2.26 1.65 Specifications Magnification 4-16x Objective Lens Diameter 50 mm Focal Plane Second Focal Plane Reticle Dead-Hold® BDC (MOA) Eye Relief 4.0 inches Field of View 27.4-7.4 ft/100 yds Turret Style Tactical Tube Size 30mm Adjustment Graduation 1/2 MOA Travel Per Rotation 12 MOA Max Elevation Adjustment 75 MOA Max Windage Adjustment 50 MOA Parallax Setting 50 yards to infinity Length 13.56 inches Weight 21.2 oz Elevation Travel Per Rotation 24 MOA Windage Travel Per Rotation 12 MOA