Smaller, lighter, faster is what tactical shooters want and what Leupold's Mark 6 M5B2 riflescope delivers. It provides everything Military, Law Enforcement and competition shooters need from a riflescope in an amazingly compact and efficient package. The Mark 6's powerful 6x zoom range offers an incredible field of view and rapid target acquisition at lower magnifications, and excellent long-range target engagement at higher powers all in a package less than 12" long. Leupold's legendary Xtended Twilight Lens System offers crystal clear images from edge-to-edge throughout the entire zoom range, while DiamondCoat2 provides unsurpassed scratch resistance and increased light transmission. A locking fast-focus eyepiece ensures a generous eye box and optimal diopter adjustment in the field while a durable 34mm maintube creates over 28 milliradians of total elevation adjustment. Leupold's M5B2 Auto-locking, Pinch and Turn, 1/10th mil per click elevation adjustment make precise corrections easy, and eliminate accidental movement in the field. The elevation dial features a two turn zero stop with a tactile revolution indicator, providing 20 mils of travel (10 mils per revolution) and eliminates under or over rotating the dial. Quick change BDC rings allow the scope to be matched to virtually any ammunition for long range precision. The Mark 6 3-18x44mm is completely waterproof, and fog proof.