Classic full-size single-stack .45 ACP DA/SA. The pistol that established Sig Sauer in the US market. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 1975, Germany Weight: 30.4 oz Overall length: 7.8" Status: Active Military use: Yes Intended use: Service, Military, Law Enforcement, duty, home defense