Vortex Viper 6.5-20x 44mm Rifle Scope - Effortlessly shrugging off recoil, moisture and darkness, the Viper's status as a premium riflescope won't be as easy to shake. Discover a riflescope with incredible performance features like premium, fully multi-coated optics, heavy duty Precision Force spring systems and the glass smooth Precision Glide Erector System-delivering all this and more at a price that should have pulled a few more hundreds from your wallet than it did.