The HK45 Compact Tactical (CT) extends the HK45 Compact with a longer threaded barrel for suppressor use, featuring the same O-ring barrel seal as the Mark 23 system. Combines compact-frame ergonomics with suppressor-ready capability in .45 ACP. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 10 Year introduced: 2009, Germany Weight: 28.2 oz Overall length: 7.2" Status: Active Intended use: Tactical, Suppressed, Special Operations