The Mark 4HD riflescope by Leupold is a premier choice for firearm enthusiasts and professionals alike, delivering top-tier performance in a more streamlined package. It inherits the high standards of the Mark 5HD series, featuring a slimmer maintube packed with advanced features. The riflescope comes with a three-turn elevation dial for extreme distance shooting, a ZeroLock windage adjustment to withstand accidental knocks, and a side focus for clear imagery as close as 25 yards. It boasts professional-grade optical systems with illuminated reticles for low-light conditions, and a 4:1 zoom ratio for flexibility. Engineered for durability with ultra-lightweight construction, it's waterproof, fogproof, and rigorously tested for ruggedness through Leupold's Punisher testing process.