The M1911 Pistol is a semi-automatic handgun designed by John Browning and adopted by the United States Army in 1911. It is chambered primarily for the .45 ACP cartridge, known for its stopping power. The M1911 features a single-action mechanism and a 7-round magazine, making it a reliable choice for military and civilian use. This pistol has a distinctive design with a steel frame and a grip safety, which prevents accidental discharge. Over the years, the M1911 has seen various modifications and remains popular among enthusiasts, law enforcement, and military personnel worldwide.