A type of cylindrical-shaped [[weapon]] [[magazine_(weapon)|magazine]] which stores [[ammunition]] in a spiral layout ([[bullet]]s aligned with the barrel), typically resulting in much greater capacity as compared to standard box/stick magazines. Usually associated with automatic [[gun|firearms]] such as the iconic [[Thompson submachine gun]] and [[PPSh-41]].

See also [[dual drum magazine]], a paired variation often associated with the famous [[MG42]] [[machine gun]] and [[real life]] Beta C-Mag.
ドラム型弾倉 ドラムマガジン