Revolutionary mounting system installs red dot sights on Smith & Wesson J-frame revolvers without gunsmithing or permanent modifications. Made in USA with lifetime warranty. Compatible with Shield RMSc, Holosun K Series and similar compact optics No Gunsmithing Required: Installs without milling, drilling, or permanent modifications to your revolver frame Complete Mounting System: Includes R.O.C. conversion bracket, precision side spacers, and all necessary mounting screws Dual Footprint Availability: Choose between RMRcc or RMSc mounting patterns to match your preferred optic Aerospace-Grade 7075-T6 Aluminum: Premium aluminum alloy provides exceptional strength while maintaining lightweight characteristics Anodized Finish: Type II anodizing delivers superior wear resistance and corrosion protection Reversible Installation: Can be completely removed to restore your revolver to factory configuration J-Frame Specific Engineering: Designed exclusively for Smith & Wesson shrouded hammer or hammerless J-frame revolvers ensuring perfect fitment Holster Compatible: Works with Phlster City Special holster for concealed carry capability American Manufacturing: Designed, engineered, and manufactured in the USA with rigorous quality control