Complex sentence: The M1911 is a single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the.45 ACP cartridge, which served as the standard-issue sidearm for the United States Armed Forces from 1911 to 1985.
Split into simpler sentences: The M1911 is a single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the.45 ACP cartridge. It served as the standard-issue sidearm for the United States Armed Forces from 1911 to 1985.