Butler Creek 30390 Flip-Open Objective Scope Cover Black Polymer 56.40mm Obj. Size 39

The Butler Creek 30390 offers the pinnacle of lens protection for hunters and shooters. With its Flip-Open scope covers, it gives a perfect fit to your scope, establishing a waterproof and airtight seal. All it takes is a gentle touch of your thumb to open, allowing for a speedy shot during tight opportunities under the harshest conditions.

Its rapid, flip-open design features a silent hinge, ensuring your focus remains on your target without startling your prey. Despite weighing less than an ounce, its resilience is noteworthy - it is tested and proven to function up to -40 degrees F. The fit range is specifically designed to encompass .01 under and .025 over the stipulated measurements.