The Walther PDP F-Series Pro E is a high-performance striker-fired pistol chambered in 9mm Luger with an impressive 18+1 round capacity and precision 4-inch steel barrel.Walther PDP F-Series Pro E Pistol9mm Luger caliber with 18+1 round capacity4-inch black steel barrel for accuracyOptic ready/serrated steel slideBlack polymer frame with integrated Picatinny railInterchangeable backstrap grip systemBlack finish throughoutDesigned for law enforcement competitive shooting and personal defense this pistol combines Walther's renowned German engineering with modern tactical features including optic mounting capability and accessory rail compatibility.