Leupold(R) Mark 4(R) Long Range/Tactical riflescopes are arguably some of the most dependable, highest performing riflescopes you?ll find anywhere. Their accuracy is proven in the field. Their rugged and absolute waterproof integrity is unquestionable. They are everything a tactical shooter, long-range shooter, target shooter, or hunter could ask for. 2nd Generation Argon/Krypton Waterproofing 30mm Maintube 3:1 Zoom Ratio 6061-T6 Aircraft Quality Aluminum Blackened Lens Edges DiamondCoat 2 Dual Use Flip Back Lens Covers (Mark 4) Generous Eyebox Lockable Fast-Focus Eyepiece M1 Adjustments Super Fast-Focus Eyepiece Tactile Power Selector Twin Bias Spring Erector System Waterproof/Fogproof Xtended Twilight Lens System ** BLEMISHED products may or may not include accessories. Image may not represent the exact product number.