The Mannlicher M1901 is a semi-automatic pistol designed by Austrian engineer Siegfried Mannlicher. Introduced in 1901, it features a unique blowback operation and a distinctive magazine design that allows for a higher capacity compared to many of its contemporaries. The pistol is chambered for the 7.65mm Mannlicher cartridge, making it suitable for both military and civilian use. The M1901 was notable for its ergonomic design and reliability, which contributed to its popularity in various countries. Although it was eventually overshadowed by more modern firearms, the Mannlicher M1901 remains an important part of early 20th-century firearm history.