Nambu pistol
The Nambu pistols (南部拳銃 or 南部大型自動拳銃, Nanbu kenjū/Nanbu ōgata jidou-kenjuu) are a Japanese series of semi-automatic pistols produced by the Koishikawa Arsenal, later known as the Tokyo Artillery Arsenal. The series has three variants, the Type A, the Type B (also known as the Baby Nambu), and the Type 14 (十四年式拳銃, Jūyon nen shiki kenjū).