Butler Creek Flip-Open Objective Scope Cover – 1.735″/44.1mm MFG 30210 Size 21

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.

Please refer to the SIZE CHART below for the correct cover choice for you!

• Fast flip-open design ? keep your eye on the target
• Silent spring hinges won?t spook game
• Water-tight custom-fit friction mounts anchor them to your scope
• Air-tight semi-O-ring keeps out dust and moisture
• Tested to ?40°F
• Truly ambidextrous
• Weigh less than an ounce
• Manufacture Size: 21