The P220 SAO converts the standard DA/SA P220 to single-action-only with an external hammer and thumb safety, creating a competition-oriented .45 ACP with a crisp single-action pull in the full P220 frame. Popular with USPSA and IDPA competitors who want the P220's size and weight with 1911-style trigger operation. Features the same SIG alloy frame but with a single-action only hammer and sear group. Type: Semi-Auto Pistol Action: Single-Action Caliber: .45 ACP Capacity: 8 Year introduced: 2014, Germany/USA Weight: 30.4 oz Overall length: 7.7" Status: Active Intended use: competition, target