Crimson Trace’s Hardline Series of Riflescopes are designed as a do-it-all optics well suited for virtually any application. Available in a massive assortment of magnification ranges and reticle options, the Hardline Series Riflescopes all feature a 34mm main tube made from aerospace grade anodized aluminum making them extremely lightweight and durable. All Hardline Scopes are also shock-proof tested to the stringent MIL-STD-810G test protocol and feature a waterproof rating of IPX7 at a depth of 1-meter of water for 30 minutes. In addition, the Hardline Scopes offer fully-multi coated lenses for outstanding light transmission and optical clarity, and Nitrogen purging prevents fogging. Features: Available in a massive assortment of magnification ranges and reticle optionsAerospace grade anodized aluminum main tube MIL-STD-810G test protocol shock-proof rating IPX7 waterproof rating Fully multi-coated lenses Crimson Trace Hardline 1-10x28mm 34mm Tube Illum LPVO MIL Riflescope 01-3002301