The American Tactical STX is a philippines-made semi-automatic pistol chambered in .45 ACP, introduced in 2015. Primary use: Self-Defense, Competition, Sport Shooting. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 2015, Philippines Weight: 30 oz Overall length: 8.5" Status: Active Intended use: Self-Defense, Competition, Sport Shooting