Butler Creek Flip Open 13 Eyepiece - Clam - MO20130

Butler Creek Flip Open 13 Eyepiece - MO20130 Simply the ultimate scope lens protection for hunters and shooters. They're custom-fit to your scope, create a watertight, airtight seal, and open with a touch of your thumbs, so you can put your shot through the narrow window of opportunity in the most extreme conditions. Product Specs: 39.90 mm 1.570 inches