Type Semi-automatic pistol Designer Franz Pfannl Manufacturer Franz Pfannl Produced 1912-1926 Number built about 3,500 Length 100 mm (3.94 in), 135 mm (5.31 in) Barrel length 42 mm (1.65 in), 56 mm (2.2 in) Cartridge 4.25mm Liliput Caliber 4.25 mm Action Blowback Feed system 6 rounds magazine Sights fixed

4.25