Walther Model 4
Produced by Walther
The Walther Model 4 is a .32 APC blowback fixed barrel handgun utilized primarily by the Imperial German Army during WWI, and additional utilizations and production during interbellum. It was produced in four upgrade variations known as the Type 1, 2, 3 and 4, based primarily from the German patent 256606 covering the assembly and disassembly under specific conditions. Initial Model 4 variations included frontier recoil spring mechanisms, safety level mechanisms, and groove sights through the Type 1 (or Model 3/4 as of its correlation with the Model 3), before later omissions established the Type 2. The Model 4 was equipped with an internal hammer and additional bayonet-lock retained recoil spring encasing the barrel assembly, with size specifications of 5.94" length. It was popularized for both primarily German military and civilian utilizations, however was equipped with a particularly impractical safety mechanism and one-handed utilizations.