Butler Creek 30130 Flip-Open Objective Scope Cover Black Polymer 38.90mm Obj. Size 13

The Butler Creek 30130 offers unrivaled lens protection that's perfect for hunters and shooters alike. These Flip-Open scope covers are tailored to fit your scope precisely, providing an airtight and watertight seal to protect against even the most severe conditions. With a simple thumb touch, you can open the cover and seize your shot in a slim window of opportunity.

The design is not only fast and flip-open, but also outfitted with a quiet hinge that keeps your focus squarely on the target without scaring off your quarry. Despite its strong performance, it's extremely lightweight—weighing in under an ounce—and it can withstand temperatures as low as -40 degrees F. Note that the fit range accommodates measurements that are .01 under and .025 over the specified dimensions.