AutoMag, originally spelled Auto Mag, can refer to one of a series of semi-automatic pistols developed by Harry Sanford and later produced by a variety of firms, including made by Arcadia Machine and Tool (AMT): * AutoMag (pistol), .44 Automag semi-automatic pistoland subsequently: * AMT AutoMag II, .22 Magnum semi-automatic pistol * AMT AutoMag III, .30 Carbine semi-automatic pistol * AMT AutoMag IV, .45 Winchester Magnum semi-automatic pistol * AMT AutoMag V, .50 Action Express Magnum semi-automatic pistol