Improved M1911 with shorter trigger, arched mainspring housing, longer grip safety spur. Manufactured by Colt, Remington Rand, Ithaca, Union Switch & Signal, and Singer. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 1924, USA Weight: 38 oz Overall length: 8.25" Status: Discontinued Military use: Yes Intended use: military