The SIG Sauer P220 is the original SIG pistol imported to the United States and the gun that established SIG's reputation for quality. Introduced in 1975 as the Swiss Army's standard service pistol, the P220 brings the DA/SA trigger, alloy frame, and stainless barrel combination to the .45 ACP cartridge. It remains a benchmark for quality in a full-size .45 ACP service pistol. Type: Semi-Automatic Pistol Action: Double-Action/Single-Action Caliber: .45 ACP Capacity: 8 Year introduced: 1975, Germany Weight: 27.8 oz Overall length: 7.7" Status: Active Military use: Yes Intended use: duty, law_enforcement, military, service, defense