The SIG Sauer P226 X-Five SAO 9mm is the single-action-only variant of the X-Five, featuring a cocked-and-locked carry capability and a lighter, shorter trigger pull than the standard X-Five. Preferred by USPSA Single Stack and Production competitors. Type: Semi-Auto Pistol Action: SA Caliber: 9mm Capacity: 19 Year introduced: 2010, USA/Germany Weight: 46.5 oz Overall length: 9.3" Status: Active Intended use: Competition, USPSA, Target