Zero in on your target like a professional thanks to the Leupold Mark 4HD Rifle Scope. This built-to-last rifle scope is waterproof, fogproof, and shockproof. It's been tested in extreme climates to ensure it's ready for where your adventures take you. The lightweight design helps you maintain a manageable rifle weight. The professional-grade optical system delivers exceptional light transmission to perform in a wide range of lighting conditions. The system's industry-leading glare reduction offers a clear image in harsh light. The 4:1 zoom ratio offers a great balance between weight and versatility. Waterproof Fogproof Impact-tested Tested in extreme climates ZeroLock dials for precise adjustments Lightweight design Professional-grade optical system 4:1 zoom ratio