The Butler Creek #45 Lens Flip-Up Cover protects your expensive optics lens from dust and debris. The #45 Butler Creek also fits the objective housing of an IR Hunter MK II. No one equips you to make the shot in foul weather like Butler Creek. Our legendary Flip-Open Scope Covers form an airtight seal against the elements, but silently hinge out of the way at the push of a button. They’re the pinnacle of protection and rapid target acquisition. You can aim through our flip-open Blizzard Scope Covers if you need to take a snap shot. And we still make the rugged, affordable Bikini Covers trusted by generations.

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