Ultra-fast target acquisition, pinpoint accuracy and wide field of view make the Barska 1x30 Red Dot Scope AC10328 30mm Red Dot Sight ideal for shotguns, pistols, blackpowders and crossbows. Barska 30 mm Red Dot Sights feature click-adjustable rheostat forimage variable brightness control, anti-reflective coating, and integrated mount system for optimum performance. Barska 1 x 30 mm Red Dot Sights AC-10328 feature Illuminated 5 MOA Red Dot Reticle. The 1x30mm Barska Red Dot Scopes AC 10328 offer wide field of view and unlimited eye relief. All Barska Red Dot Scopes are covered with Barska One Year Limited Warranty.