Leupold DEV-O 6x20mm Dual Use Waterproof Tactical Rifle Scope Quickly alternate between the 6x scope and the Red Dot sight Features 1/10th MIL click windage and elevation adjustments letting you rapidly adapt to the situation Durable body crafted from 6061-T6 aircraft quality aluminum Absolute waterproof and fogproof integrity - each is ready for a lifetime in the field, in all conditions