SIG SAUER P320 9mm 17 Round Full Aluminum Pistol Magazine Black. Also compatible with P211 models with the factory magwell installed. Specifications for SIG SAUER P320 9mm 17 Round Full Aluminum Pistol Magazine: Manufacturer: SIG SAUER Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Caliber: 9mm Luger Magazine Capacity: 17 Round Color: Black Finish: Black Fabric/Material: Aluminum Steel Gun Type: Pistol Package Contents: SIG SAUER P320 9mm 17 Round Full Aluminum Pistol Magazine What firearm models does the manufacturer say SIG SAUER P320 9mm 17 Round Full Aluminum Pistol Magazine is compatible with? The manufacturer says that SIG SAUER P320 9mm 17 Round Full Aluminum Pistol Magazine is compatible with SIG Sauer P320SIG SAUER 8901373: P320 9mm 17 Round Full Aluminum Pistol Magazine Black