Spring Flip Up Rifle Scope Lens Cap Tactical Optical Sight Objective Dustproof Waterproof Protective Cover 2 Pcs

This spring flip-up lens cap is a practical tactical accessory for rifle scopes and optical sights. Built-in spring hinge allows one-touch quick flip open, you can aim instantly without taking off the cap manually during shooting or hunting. Made of sturdy matte black ABS plastic, with soft rubber inner ring for tight fit, it won’t scratch your scope tube and lens. Fully closed cover blocks dust, sand, rain and scratches, effectively protecting your optical lens in all outdoor environments. Main functions: dustproof, waterproof, anti-collision, anti-scratch

Look directly at the lens size. For example, if your goal is a 3-9*44mm lens, choose a 44mm lens.