Standard Japanese officer's sidearm. Semi-automatic pistol with an external hammer. Known for the "Nambu action" — early production had weak magazine springs prone to failure. The grip safety was positioned awkwardly. Type: Pistol Action: Semi-Automatic Caliber: 8mm Nambu Capacity: 8 Year introduced: 1925, Japan Weight: 30 oz Overall length: 9" Status: Discontinued Military use: Yes Intended use: military