The Px4 pistol from Beretta is an all-new polymer-and-steel semi-automatic design with a generous magazine capacity (17 rounds in 9x19 mm) and the shooter’s choice of lockwork options.

It was likely for this reason the Model 1923 was discontinued after two years, with subsequent Beretta pistols chambered in 7.65 Browning, and eventually 9x19 Parabellum. Type 68 Handgun: ...