Reptilia AUS Offset Red Dot Sight Mount Fits Trijicon RMR FDE. Built around the Trijicon RMR it also supports any miniature red dot sight sharing the RMR footprint. Fully reversible the AUS Offset for RMR can be installed on either the left or right side of the AUS Mount body via four integrated mounting locations. The 37 degree offset from vertical delivers an intuitive ergonomic position for rapid engagement when primary optics aren't practical. Built for professionals trusted by all shooters. The AUS Offset Mount combines precision machining durable materials and a streamlined profile to deliver uncompromising performance in the harshest environments. Specifications for Reptilia AUS Offset Red Dot Sight Mount: Manufacturer: Reptilia Finish: Type III Hardcoat Anodized Fabric/Material: 7075 Aluminum Red Dot Sights-Footprint: RMR Optic Cut: Trijicon RMR Weight: 30 g Package Contents: Reptilia AUS Offset Red Dot Sight Mount Reptilia 100-348: AUS Offset Red Dot Sight Mount Fits Trijicon RMR FDE