Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine Silver 13RD. Specifications for Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine: Manufacturer: Shadow Systems Gun Model: Shadow Systems CR920 Caliber: 9mm Luger Magazine Capacity: 13 Round Color: Silver Package Contents: Shadow Systems Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine What firearm models does the manufacturer say Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine is compatible with? The manufacturer suggests that Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine is compatible with Shadow Systems CR920Shadow Systems SG9S-00-56-13-13RD: Shadow Systems CR920 9mm Luger 13 Round Pistol Magazine Silver