ADE Advanced Optics 30mm/1in Piggyback Universal Fit Red Dot Riflescope Ring Black. During this period Ade Advanced Optics began receiving requests from numerous customers for access to the affordable high quality products that Ade Advanced Optics was capable of producing. By soliciting feedback from both clients and end users in 2010 Ade Advanced Optics was able to overcome the challenges a new company often faces when entering a global market and industry especially one as competitive as the shooting hunting and outdoors industry. Specifications for ADE Advanced Optics 30mm/1in Piggyback Universal Fit Red Dot Riflescope Ring: Manufacturer: ADE Advanced Optics Base/Mount Type: Top Mount Ring Height: 1.5 in Tube Diameter: 30 mm Ring Quantity: Single Fabric/Material: Aircraft Aluminum Weight: 1 oz Color: Black Features of ADE Advanced Optics 30mm/1in Piggyback Universal Fit Red Dot Riflescope Ring Compatible with: Trijicon RMR Holosun 407C/S507C/508T/407K/507K/ESP Carry Swampfox Sentinel Red Dot Sight Package Contents: ADE Advanced Optics 30mm/1in Piggyback Universal Fit Red Dot Riflescope Ring ToolsInstructions ADE Advanced Optics HM9: 30mm/1in Piggyback Universal Fit Red Dot Riflescope Ring Black