The Borchardt C93 is a semi-automatic pistol designed by Hugo Borchardt in 1893. The design is based upon the Maxim gun (toggle bolt) model. Borchardt developed the high-velocity, bottlenecked 7.65×25mm Borchardt cartridge for the C93. His assistant at the time, Georg Luger, also claimed to have influenced its design. Machine tool manufacturer Ludwig Loewe & Company of Berlin, Germany, produced the C93 in anticipation of military orders. With about 1,100 manufactured by Loewe and nearly 2,000 more produced by Deutsche Waffen- und Munitionsfabriken. The Borchardt C93 was the first mass-produced semi-automatic pistol.