American Defense AD-T1−11 Lower 1⁄3rd Co-Witness Mount paired with an Aimpoint Comp M5 Optic. This is a one piece mount that will Lower 1⁄3rd Co-Witness with standard AR-15 height Iron Sights. Packages are shipped un-mounted in their separate factory boxes. Assembly required. Available only to United States customers, Cannot be exported. Not available to dealers. Included flip cap lens covers Kill Flash NOT Included.