Walther PDP Optic Plate - Trijicon RMR SRO and Holosun 5136019. Fits Trijicon RMR / SRO / HOLOSUN 407C / 507C / 508C / 508T. Specifications for Walther PDP Optic Plate: Manufacturer: Walther Color: Black Condition: New Included Accessories: Standard...