The Flux Defense H9 converts an H&K VP9 pistol into a compact PDW configuration by mounting the pistol within the Flux Raider chassis, adding a folding brace and foregrip. The 4.09-inch VP9 barrel is unmodified; the Flux chassis provides PDW ergonomics around a full-size pistol. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2020, USA Weight: 80 oz Overall length: 18" Status: Active Intended use: Home Defense, Concealed Carry PDW