The Walther PPX M1 is a semi-automatic, hammer-fired pistol, available in 9mm and 40 S&W calibers, with a 4-inch non-threaded and 4.6-inch threaded barrel configuration. It was made from a black polymer frame with a Tenifer-coated or stainless-steel slide. It features fixed iron sights, two 16-round magazines, or three 10-round magazines. As for safety, the PPX features a reversible magazine release, two drop safety mechanisms, and a firing pin block safety. The PPX also has a standard integral polymer M1913 Picatinny rail for attaching lights or laser sights.