Offers more high-quality features than others in its class. Sturdy one-piece tube construction is waterproof, shockproof and fogproof. Fully coated optics for brighter, higher-contrast image. Features 1/4-MOA, SureGrip™ and audible-click windage and elevation adjustments for effortless adjustment. It also offers the TrueZero™ windage and elevation adjustment system, so it will stay locked tight to zero through strenuous conditions. QTA™ eyepiece for easy target acquisition.