Midwest Industries Trijicon RMR Co-Witness QD Mount Black. These Red Dot Sight Mounts are fully adjustable with no tools required and can be adjusted to fit rails not machined to Mil-Spec tolerances. This quick-detach mount is precision machined for optimum return to zero performance and reliability and is constructed from hard coat anodized 6061 aluminum for a lifetime of service. Grab yours today to securely mount your RMR optic. Specifications for Midwest Industries Trijicon RMR QD Mount: Manufacturer: Midwest Industries Finish: Black Fabric/Material: 6061 Aluminum Fit: Trijicon RMR Co-Witness: Yes Base/Mount Type: QD Mount Red Dot Sights-Footprint: RMR Optic Cut: Not Applicable Weight: 2.9 oz Condition: New Country of Origin: USA Features of Midwest Industries Trijicon RMR Lower 1/3 QD Mount: The smoothest functioning QD lever on the market Superior clamping that will not damage or coin the rail surface Extremely smooth in operation with a multi-facetted adjustment nut to get the exact tension required by the operator Fully adjustable with no tools required can be adjusted to fit rails not machined to mil-spec tolerances Precision machined for optimum return to zero performance and reliability Hard coat anodized 6061 aluminum for a lifetime of service Patented QD lever by Elite Defense Package Contents: Midwest Industries Trijicon RMR Lower 1/3 QD Mount Midwest Industries MI-QDRMR-CO: Trijicon RMR Co-Witness QD Mount Black