BARSKA 3-Inch 50mm Varmint Riflescope Shade Compatible only with Barska Varmint Riflescopes- Models: AC11084, AC11318, AC11320, AC10828, AC10050, AC10048, AC10043 Reduces sun exposure Reduces glare,Increases clarity Increases image contrast Please note that users need to remove the front section of the scope in order to install the sunshade.