9mm Mauser

The  is a very rare small gun. So rare that only one is obtainable in Fallout, but they are a little more common in Fallout 2.

It uses 9mm Ball in Fallout and 9mm or 9mm Ball in Fallout 2. In Fallout 3, this gun is simply known as Chinese Pistol and it uses 10mm rounds instead of 9mm rounds.

Fallout

 * Junktown Casino, found on Gizmo's corpse only.

Fallout 2

 * New Reno Commercial Row, found in a footlocker in the back of New Reno Arms.
 * Willy Special Encounter, found on Willy's guards' corpses.

Behind the scenes
This firearm is the Mauser C96, nicknamed the "Broomhandle". The Mauser pistol was originally manufactured in 7.63mm and a contract of 9mm versions were made for the Imperial German army in the first world war.

Mauser 9mm 9 мм Маузер