The Walther PDP Compact SD (Suppressor Duty) is a suppressor-optimized compact PDP with a threaded 4.6-inch barrel that extends beyond the compact slide, raised suppressor-height sights, and an optics-ready direct-mount cut. It combines the carry-friendly compact frame with the suppressor and optic capability of the Pro SD line. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2023, Germany Weight: 25.5 oz Overall length: 8.2" Status: Active Intended use: Tactical, Suppressor Host, CCW