The PPQ Navy SD is the threaded-barrel, diving-compatible variant of the PPQ, featuring a ported slide and ports in the barrel hood to prevent hydraulic lock when the pistol is submerged and then fired. Developed for naval special operations units requiring a pistol that functions reliably immediately after water extraction. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2013, Germany Weight: 26 oz Overall length: 7.8" Status: Active Military use: Yes Intended use: military, special_operations, tactical