The Walther PPQ Navy SD in 9mm with 4.6-inch threaded barrel. A corrosion-resistant, suppressor-ready PPQ variant designed for maritime environments. Features a threaded barrel and salt-water resistant coating for naval special operations use. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 15 Year introduced: 2014, Germany Weight: 24.9 oz Overall length: 8.1" Status: Discontinued Military use: Yes Intended use: Duty, Tactical, Military