The Colt XSE Series .45 ACP is a usa-made single-action pistol chambered in .45 ACP, introduced in 2001. Primary use: Carry. Type: Pistol Action: Single-Action Caliber: .45 ACP Capacity: 8 Year introduced: 2001, USA Weight: 38 oz Overall length: 8.5" Status: Discontinued Intended use: Carry