A pistol 08 DWM 1920, "Weimar Alphabet DWM-Luger", police, calibre 9 mm Parabellum, no. 6543a. Matching numbers on the outside. Barrel length 100 mm. On the chamber production year "1920", left on
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Handgun Ammunition: What Is The Difference Between 9mm and 9mm Luger? - The Truth About Guns