The USP Tactical in .45 ACP features a 5.09-inch threaded barrel for suppressor attachment, raised sights for use with a suppressor, an O-ring barrel for improved accuracy, and match-grade action components. The definitive suppressor host in H&K's lineup. Available in 9mm and .45 ACP. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 12 Year introduced: 1998, Germany Weight: 34.2 oz Overall length: 8.64" Status: Active Intended use: military, law_enforcement, duty, suppressed