Why did the drum magazine work on the PPSH 41 and not the Thompson? - Quora
PPSh-41 Drum Magazine with Pouch, 71rd, 7.62x25, *Good*
PPSH-41 with an experimental "sideways" drum mag. Apparently these were tested in late 1941/early 1942 for more convenient storage and handling. : r/ForgottenWeapons
Original Russian WWII PPsh-41 Display Machine Pistol with Drum Magazin – International Military Antiques
PPSH-41 Drum Magazine SALE - AtlanticFirearms.com
PPSH41/22 , .22L.R. 50 Round Drum Mag
PPSH Drum Mag | Marauders Wiki | Fandom
PPSh-41 Replica Drum Dummy Magazine - Marshall's Arsenal