Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine Black 1 Pack. This magazine has a 17 round capacity chambered in 9mm and features a steel magazine body with a blued finish. Specifications for Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine: Manufacturer: Armscor Precision Inc Gun Make: Rock Island Armory Gun Model: Rock Island Armory 1911A2 Caliber: 9mm Luger Magazine Capacity: 17 Round Color: Black Quantity: 1 Fabric/Material: Steel Features of Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine 9mm 17 rounds Steel magazine body Blued finish Package Contents: Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine What firearm models does the manufacturer say Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine is compatible with? The manufacturer suggests that Armscor Precision Inc ACT-MAG P18 9mm 17 Round Pistol Magazine is compatible with Rock Island Armory 1911A2Armscor Precision Inc 91718-17RD: ACT-MAG P18 9mm 17 Round Pistol Magazine Black 1 Pack