C&H Precision Weapons CHP Adapter Plate, Fits the Glock MOS Converting it to the Trijicon RMR, Black, Protective Guard, Includes Mounting Hardware GL-RMR-DEF Model: For Glock MOS Finish/Color: Anodized Fit: Fits Glock MOS Type: Mount Manufacturer: C&H Precision Weapons Model: For Glock MOS Mfg Number: GL-RMR-DEF