Equip your rifle with the Mark 4HD, an evolution of a legendary design featuring a slimmer main tube filled with advanced professional features. Perfect for enthusiasts and experts alike, the Mark 4HD delivers crystal-clear optics and a lightweight frame ideal for any shooting scenario. Choose from five magnification ranges to suit close range to long-distance engagements. With a three-turn elevation dial and a durable ZeroLock windage adjustment, this scope ensures precision and stability, even under impact. Waterproof, fog-proof and lifetime guaranteed, the Mark 4HD stands ready for any challenge. 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 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