Sturm Ruger & Co LE Ruger Security-9 Compact Magazine 9mm Luger Black Oxide Steel 10/rd. This magazine ships with the flat floor plate installed and a finger extension in the package. It is not compatible with the SR9 or SR9c pistol. This Genuine Ruger Factory Accessory is made in the USA. Specifications for Ruger Security-9 Compact Magazine 9mm Luger Black Oxide Steel 10/rd 0AD40770: Manufacturer: Ruger Caliber: 9mm Luger Magazine Capacity: 10 Round Package Contents: Ruger Security-9 Compact Magazine 9mm Luger Black Oxide Steel 10/rd Black oxide alloy steel 10-round 9mm Luger Genuine Ruger Factory Magazine is compatible with the Security-9 Compact pistol and the PC Carbine with the SR9 & Security-9 Magazine Well Insert installed. This magazine ships with the flat floor plate installed and a finger extension in the package. It is not compatible with the SR9 or SR9c pistol. This Genuine Ruger Factory Accessory is made in the USA. UE90667