My take on this famous gun, the "Broomhandle".
The Mauser C96 was originally made by German arms company Mauser during the late 19th and early 20th century . They were used by the Germans during both world wars and are extremely iconic with their boxy appearance.
Print at 0.15 mm layer height, with 20 % infill. This uses 22 g of filament and takes 155minutes.