Walther PP
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/12/1972_Walther_PP.jpg/220px-1972_Walther_PP.jpg)
The Walther PP is a pistol, which was originally developed for police officers. The PP stands for "Polizeipistole", "Police pistol". It was developed in 1929, and produced until 1996. The pistol is a blowback semi-automatic. The weapons manufacturer Carl Walther GmbH built it.