The Calculated Kinetics SIG320 RMR Adapter Plate is designed to securely mount your Trijicon RMR optic to the SIG P211 GTO and P320 models with RMR cut. This robust optic plate is duty-rated to endure the demands of tactical applications while providing a stable platform for your sight. It features two channels for easy installation and comes complete with all necessary hardware, including a Torx bit, Vibratite, and an installation card for hassle-free setup. Its anodized finish ensures durability and resilience in various environments.