Butler Creek Flip-Open Objective Scope Cover 51.90mm Obj., Size 33 -30330

The ultimate objective lens protection for hunters and shooters Flip-Open scope covers are custom fit to your scope create a watertight airtight seal and open with a touch of your thumb so you can put your shot through the narrow window of opportunity in the most extreme conditions. The fast Flip-Open design with a silent hinge keeps your eye on the target and wont spook game. It weighs less than an ounce and has been tested to 40 degrees F. The fit range is .01" under and .025" over the given measurements.