No questions asked, just rock-steady performance is how a Leupold Mark AR MOD 1, 4-12x40mm AO, Rifle Scope responds. Equally at home in sporting and tactical situations Leupold rifle scopes are known for accuracy, ruggedness and waterproof integrity. Get tighter groupings at greater distances using the tactical P5 dial with extra fine 0.1 MIL adjustments. The Mark AR MOD 1 is specially calibrated with an elevation BDC dial for a .223/5.56, 55 gr. FM3 projectile with a muzzle velocity of 3,100 FPS. Mutlicoat 4 lens system offers less glare to create edge to edge clarity with outstanding contrast by funneling more light through the 1" tube to make the most of early and late afternoon shooting times.