Armscor Pistol Magazine, 45ACP, 8 Rounds, Fits 1911 Pistols, Steel, Blued Finish 54169 This ACT-MAG for 45 ACP 1911 Government size pistols is manufactured to exacting tolerances in Italy. This magazine has an 8 round capacity" is chambered in 45 ACP and features a steel magazine body with a blued finish.