The Walther Q4 TAC is a full-size 9mm pistol built on the PPQ platform with tactical enhancements including an optics-ready slide with direct-mount footprint, threaded barrel, front and rear slide serrations, and a steel frame insert for improved control. The 4.6-inch barrel provides a longer sight radius and additional velocity compared to standard PPQ variants. Used in competition and law enforcement contexts. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2019, Germany Weight: 27.2 oz Overall length: 8.1" Status: Active Intended use: Tactical, IPSC Production, Service, Competition