Prepare your rifles for precision with the versatile Mark 4HD, a scope that builds on the legendary performance of its predecessors while incorporating a sleek, slim maintube packed with professional-grade features. Whether you're a passionate enthusiast or a seasoned expert, the Mark 4HD delivers outstanding optical clarity and a lightweight design, ensuring you're equipped to perform at the range or in the field. With five magnification ranges, the Mark 4HD offers the perfect balance for everything from close-quarter engagements to long-range precision. It's equipped with a three-turn elevation dial for precise adjustments at extreme distances, a ZeroLock windage adjustment that stays locked in place even after bumps and a side focus that guarantees tack-sharp images at as close as 25 yd. As with all Leupold riflescopes, the Mark 4HD is waterproof, fogproof and backed by our lifetime guarantee, ensuring it stands the test of time in any environment.