The Walther PDP F-Series Pro-X is a high-performance pistol chambered in 9mm Luger with a 4-inch barrel and 18+1 round capacity.Walther PDP F-Series Pro-X Pistol9mm Luger caliber4-inch barrel length18+1 round capacityBlack frame finishOptic ready slide with serrationsInterchangeable backstrap grip systemDesigned for tactical applications and competitive shooting this pistol combines reliability accuracy and modularity with modern features like optic mounting capability and ergonomic customization options.