Vector Optics Frenzy-X 1x22x26 AUT red dotThis red dot uses the Trijicon RMR footprint standard. The Extra Large Window Size 22x26mm 0. 85x1. 0in. You Can See More 3MOA Dot Sight w 8 Levels & 2 NV Intensity, >50,000 Hours for Weakest Visible Dot Super Slim Profile Only 7mm 0. 3" Height That Won't Block Your Pistol Sights Clear Lens w Premier & Protective Multi Coatings Almost Same Image as Naked Eyes 6061 T6 Aluminum Housing in Rug Construction, Light Weight 30g 1. 0oz Weaver Mount & MOJ