The HK45T OR is the optics-ready variant of the HK45 Tactical, adding a factory-milled slide cut for direct red-dot mounting to the threaded barrel configuration. Combines suppressor and optics compatibility in a single package for law enforcement and military special operations use. Type: Semi-Auto Pistol Action: DA/SA Caliber: .45 ACP Capacity: 10 Year introduced: 2016, Germany Weight: 32.2 oz Overall length: 8.46" Status: Active Intended use: Tactical, Suppressor Host, Optics Platform