Sold for $7,475.
The Model 1918/30 is a semiauto-only carbine made by Beretta in between the early Model 1918 submachine guns and the excellent Model 38 family. It was marketed (well, sold) primarily to security and police forces, for whom the semiautomatic limitation was not a particular hindrance. It is chambered for the 9mm Glisenti cartridge, which is dimensionally identical to 9×19 Parabellum but more lightly loaded.
Mechanically the carbine is a simple blowback design, and very light and handy. It has a rather short barrel (12.5 inches), but has been exempted from the NFA regulations on short-barreled rifles. Magazines were made in 12- and 25-round capacities (the one seen here is a 25-rounder).
At Forgotten Weapons I think the most interesting guns out there are the most obscure ones. I try to search out experimental and prototype weapons and show you how they work, in addition to more conventional guns that you may not have heard of before. You’re much more likely to find a video on the Cei Rigotti or Webley-Fosbery here than an AR or Glock. So, do you want to learn about something new today? Then stick around!