Give your carbine a kick in the pants with the versatile Mark 4HD. Leupold took the legendary performance of its predecessors and gave it a slimmer maintube that's been packed full of professional-grade features. It starts with the Professional-Grade Optical System, delivering unmatched light transmission that's designed to perform in the most challenging conditions. Its industry-leading glare reduction provides a clear image in harsh, direct light. The Mark 4HD comes standard with a 3-turn elevation dial for supreme confidence at the edge of its distance. And like all Leupold Scopes, the Mark 4HD is 100% waterproof, fogproof, rugged-built, and backed by the Leupold Lifetime Guarantee. Professional-Grade Optical System offers unmatched light transmission Second focal plane Illuminated FireDot BDC reticle Motion Sensor Technology (MST) extends battery life by automatically deactivating illuminated reticles after five minutes 100% waterproof, fogproof and shockproof Capped turrets 1/4 MOA adjustments for windage and elevation Integrated throw lever Made in USA Backed by the Leupold Lifetime Guarantee Order today!