Ruger Magazine SR9 9MM 10RD 10RD. It is compatible with the PC Carbine with the SR9 / Security-9 Magazine Well Insert installed. It is not compatible with the Security-9 pistol. Genuine Ruger Factory Accessory Specifications for Ruger Magazine SR9 9MM 10 Round: Manufacturer: Ruger Gun Make: Ruger Gun Model: Ruger SR9 Caliber: 9mm Luger Magazine Capacity: 10 Round Fabric/Material: Stainless Steel Features of Ruger Magazine SR9 9MM 10 Round: Blued steel 10-shot 9x19mm caliber magazine Package Contents: Ruger Magazine SR9 9MM 10 Round What firearm models does the manufacturer say Ruger Magazine SR9 9MM 10 Round is compatible with? The manufacturer says that Ruger Magazine SR9 9MM 10 Round is compatible with Ruger SR9Ruger 90325-10RD: Magazine SR9 9MM 10RD