Equip your rifles with the versatile Mark 4HD. We have enhanced the legendary performance of its predecessors by incorporating a slimmer main tube filled with professional-grade features. Whether you are a dedicated enthusiast or a seasoned expert, the Mark 4HD's optical clarity and lightweight design will perform effectively both at the range and in the field. The Mark 4HD series offers five magnification ranges, providing an accurate and reliable solution for close-quarter engagements, long-range precision and everything in between. These scopes are equipped with a three-turn elevation dial for unparalleled confidence at extreme distances and a precise ZeroLock windage adjustment that remains stable even when subjected to impact. As with all Leupold riflescopes, they are waterproof, fog-proof and come with our lifetime guarantee. The 4:1 zoom ratio offers an ideal balance of weight and versatility, providing magnification options of 1-4.5, 2.5-10, 4.5-18, 6-24, and 8-32 The 25 yd side focus feature enables parallax adjustment from 25 yd to infinity, ensuring a sharp, stable reticle across nearly all distances Leupold's professional-grade optical system ensures superior light transmission, exceptional glare reduction, and the high-resolution and clarity required by professionals The integrated, low-profile throw lever facilitates rapid and effortless magnification adjustments Low-profile dials on select models offer 30 MIL of adjustment across 3 revolutions with 0.1 MIL clicks, visual/tactile indicators and ZeroLock ensure precise zeroing Leupold's Custom Dial System (CDS) allows precise turret customization to match specific ballistics and environmental conditions, range the target, adjust the dial, and aim accurately In first focal plane (FFP) scopes, the reticle scales with magnification, maintaining accuracy across settings, ideal for tactical use, range estimation, and hunting The ZeroLock system is designed to prevent unintentional dial adjustments, ensuring consistent and repeatable returns to the zero position Leupold's advanced sealing and gas technologies ensure optics remain moisture-free and clear, enduring extreme temperatures, elevation changes, and shocks