Walther PDP Pro, Striker Fired, Semi-automatic, Polymer Frame Pistol, Compact, 9MM, 4.6 Barrel, Threaded Barrel, Black, Adjustable Rear Sight, Optics Ready, 18 Rounds, 3 Magazines 2844176 Walther's timeless innovation has once more achieved a breakthrough never seen before in firearms with the PDP elite handgun. Whether you are on the job or with the family, it is your duty to stay ready for any situation that may come. Now, you can do so confidently with the groundbreaking advancements afforded by the Walther PDP. With revolutionary ergonomics, Super Terrain Slide Serrations, and a brand-new Performance Duty Trigger, this is the next evolution in world-class ingenuity for pistols. The PDP Pro adds a factory threaded barrel to this already impressive package.