![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 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](https://i.redd.it/m1rmx60rvt971.png)
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 Finnish WWII Suomi KP/-31 M31 Display 9mm SMG with Drum Magazine – International Military Antiques Original Finnish WWII Suomi KP/-31 M31 Display 9mm SMG with Drum Magazine – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/ONAC23053__13_1024x1024.jpg?v=1683231840)
Original Finnish WWII Suomi KP/-31 M31 Display 9mm SMG with Drum Magazine – International Military Antiques
![Original Finnish WWII Suomi KP/-31 M31 Display 9mm SMG with Drum Magazine – International Military Antiques Original Finnish WWII Suomi KP/-31 M31 Display 9mm SMG with Drum Magazine – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/on8487__1_1024x1024.jpg?v=1601826466)