The Holosun 407C X3 Green Dot Sight features an open lens design with a precise 2 MOA green dot reticle for fast target acquisition on pistols. Built with black matte finish and weighing just 4.37 ounces.Holosun 407C X3 Green Dot Pistol Sight2 MOA green dot reticle for precision aimingRMR/SRO standard footprint for universal compatibilityCR2032 battery powered operationCompact dimensions: 2.44" length lightweight at 4.37 ozOpen lens full-size design for pistol applicationsDurable black matte finishIdeal for competitive shooting tactical applications and concealed carry with reliable performance and proven RMR footprint compatibility. Mount sold separately.