Description NEW DPO-ECO (Dawson Precision Optic (DPO) (Extreme Co-Witness Optic) System for Trijicon RMR, SRO, Tactical Height, Black Co-Witness Rear Sight. DPO Non-Windage Adjustable; plate and rear sight are one piece for extreme use with the same great Dawson sight picture! This is a Great Tactical option for Hard Use tactical environments. Dawson Precision® EXCLUSIVE 1 piece sight and plate design machined from aircraft grade aluminum. Tools and Hardware Included Perfect Impact® Policy applies ONLY IF Dawson Precision® recommended front sight is used. *See Details HERE* If you have a Staccato® DPO with carry height sights, you will need a front sight .135″ TALLER than your current front sight. Tactical profile mounting utilizes tactical sight height.   *Note: This item is Not Eligible for discounts or dealer pricing.