The HK45 Compact Tactical is the threaded-barrel suppressor-ready variant of the HK45 Compact, adding the O-ring barrel seal and extended threaded barrel of the Tactical series in the compact frame size. Represents the most concealable suppressor-host HK .45 ACP platform available from the factory. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 2009, Germany Weight: 27.2 oz Overall length: 7.52" Status: Active Intended use: tactical, law_enforcement, special_operations