Upgrade your Sig Sauer M17, M18, or X5 Legion pistol with the Springer Precision Optics Mount designed specifically for Trijicon RMR and SRO red dot sights. This precision-engineered adapter plate delivers a secure, low-profile mounting solution that enhances accuracy and target acquisition speed for competitive shooters and tactical professionals alike. Key Features Constructed from durable 6061 aluminum with stainless steel threads for long-lasting performance and corrosion resistance Utilizes factory threaded holes in compatible Sig Sauer slides for a direct, reliable fit without modification Positions the optic rearward on the slide to minimize debris and carbon buildup on the lens during firing Includes all necessary hardware: new screws, hex wrenches, and thread locker for complete installation Optic-specific design ensures perfect alignment and zero retention for Trijicon RMR and SRO models