The Butler Creek Flip-Open Scope Cover Size 46 Objective delivers ultimate protection for hunters and shooters with a custom-fit, watertight and airtight seal that responds to a simple touch of the thumb, ensuring you can take your shot through the narrow window of opportunity even in extreme conditions. This scope accessory blends a fast flip-open design with silent spring hinges to keep you focused on the target without spooking game, while the water-tight friction mounts secure the cover firmly to your scope and the air-tight semi-O-ring keeps out dust and moisture. Tested to -40F, the cover maintains reliable performance in demanding environments, and its truly ambidextrous design makes it suitable for both left- and right-handed shooters. Weighing less than an ounce, it adds minimal bulk or weight to your optics, and its 46 manufacture size aligns with standard 46 objective setups, offering durable protection without compromising sight picture or speed. Brand-name durability from Butler Creek ensures a precise, slim, field-ready solution that enhances your scopes longevity and readiness in any condition.