The 3-9x40 Contour Riflescope meets the hunter"s demands by combining performance and innovation in a compact riflescope without sacrificing ruggedness, dependability and craftsmanship. This scope offers low magnification combined with long eye relief making them ideal for close range action, from cross-bow hunting to pistol shooting even down to simple rimfire action. This scope is engineered with extra rigid shockproof construction to handle the demands of pistols, shotguns and other types of high recoil firearms. This scope features a Mil-Dot Reticle. Lockable external windage and elevation capabilities allow you to stay locked on target despite your firearms recoil..233 multi-grain bullet drop compensation elevation turret, chart features grains: 50 grain, 55 grain and 62 grain. Specifications: Magnification: 3-9x; Objective Lens: 40mm; Waterproof/ Fogproof: Yes; Reticle: Mil Dot; Exit Pupil: 4.44mm@3x, 13.33mm@9x; Optical Coating: Fully-Coated; Field of View (ft@100yds/m@100m): 36/10@3x, 13/3.9@9x; Eye Relief: 4 Inches; Click Value: 1/4 Inch; Adjustment Knob: B.D.C Elevation Turret, Windage and Elevation Adjustments; Tube Diameter: 1 Inch; Weight: 16 oz; Length: 9 Inches; Included Accessories: 7/8 Inch Picatinny/ Weaver Style Rings, Scope Caps and Lens Cloth; Warranty: Limited Lifetime.