Trijicon Tenmile 4-24x 50mm Rifle Scope - MRAD Ranging - You shouldn't have to "baby" your long-range riflescope. That's why Trijicon made the Tenmile line. It's built to take a beating and maintain your zero. And when you want to push farther out, its excellent light transmission, user-selectable LED illumination and crisp, precise adjustments give you the precision you need to make the hit. The Tenmile 4-24x50 features premium glass coatings, a second focal plane MRAD Ranging reticle with daylight bright illumination, and exposed zero stop elevation adjuster. Edge to Edge Clarity Ultra Durable Purpose Driven Design