After World War I, Walther continued to build Model 4s. Production ceased in 1929, the year the firm introduced the ground-breaking PP. Over its production period the Model 4 underwent a quartet ...

Since its introduction, Walther’s Polizeipistole Kriminal (PPK), a smaller variant of the company’s PP, has been chambered in .22 Long Rifle, .32 ACP and .380 ACP, but, in recent years ...