Auto-Ordnance Carbine Drum Magazine .45 ACP 100 rd.

The Auto-Ordnance Carbine Drum is a .45 ACP caliber, 100 round steel factory replacement magazine manufactured to the exact specifications as the original. This drum has a diameter of 8-3/4? and includes a drum installation device. The Carbine Drum magazine is designed to fit the 1927-A1 Thompson model rifles.