This Mark AR MOD 1 1.5-4x20mm scope with Duplex reticle features a 1 P5 dial, multicoat 4, 2nd generation, and tactile power selector. The Leupold Mark AR is proof that you don't need to spend a fortune to turn even a basic AR into a badass. Leupold designed the performance of the Mark 4 AR scope to squeeze every last bit from your AR, MSR, or bolt-action rifle. The AR is America's workhorse: turn yours into a thoroughbred with the Mark AR scope from Leupold. Leupold Mark AR Features Tactile Power SelectorThe tactile power selector identifies your magnification with a touch. Multicoat 4 The Multicoat 4 lens system delivers extreme clarity from edge to edge of the visual field, outstanding contrast, and a bright image even in low-light conditions. 2nd Generation Argon/Krypton WaterproofingEliminates the effects of thermal shock, and reduces the diffusion of gases sealed inside your scope even more than our proven nitrogen technology already does. Dual UseAll Leupold optics offer performance that makes them equally at home in hunting or tactical environments, thanks to their outstanding accuracy, legendary ruggedness, and absolute waterproof integrity. Leupold Mark AR MOD 1 1.5-4x20mm P5 Duplex 115388