The EGW Kimber Adjustable Rear Sight features integrated Trijicon RMR mounting capability combining traditional iron sights with modern red dot optic compatibility for Kimber pistols.EGW Kimber Adjustable Rear Sight with Trijicon RMR MountDesigned specifically for Kimber pistol compatibilityIntegrated Trijicon RMR red dot sight mounting systemAdjustable rear sight for windage and elevationDual-purpose design allows co-witnessing with mounted opticIdeal for shooters seeking to upgrade their Kimber pistol with red dot optics while maintaining backup iron sight capability for enhanced accuracy and versatility.