Ready your rifles with a versatile Mark 4HD. We took the legendary performance of its predecessors and gave it a slimmer maintube that&';s been packed full of professional-grade features. Whether you&';re a dedicated enthusiast or a seasoned expert, the Mark 4HD&';s optical clarity and lightweight design will get the job done at the range or in the field. The Mark 4HD series features five magnification ranges, providing you with an accurate and reliable option for close-quarter engagements, long-range dominance, and everything in between. They&';re available with a three-turn elevation dial for unmatched confidence at extreme distances, a precise ZeroLock windage adjustment that won&';t budge when knocked around, and a side focus that delivers tack-sharp images as close as 25 yards. And like all Leupold riflescopes, they&';re waterproof, fogproof, and backed by our lifetime guarantee. Features 4:1 Zoom Ratio 25-Yard Side Focus Professional-Grade Optical System M1C3 Adjustments Custom BDC Dial Compatible First Focal Plane ZeroLock Windage Dial Waterproof, Fogproof, & Shockproof