Butler Creek 30510 Flip Open Scope Cover Size 51, Objective

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.

Features:

- 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
- Also made for spotting scopes
- Size: 51