The Walther PP series includes the Walther PP, PPK, PPK/S, and PPK/E models.
PP The original PP was released in 1929 and is, as of 2025, re-introduced with modern enhancements. It was designed for police use and was used by police forces in Europe in the 1930s and later. "PPK" is an abbreviation for
Polizeipistole Kriminal (literally "police pistol criminal"), referring to the
Kriminalamt crime investigation office. While the K is often mistakenly assumed to stand for
kurz (German for "short"), as the variant has a shorter barrel and frame, Walther used the name "Kriminal" in early advertising brochures and the 1937 GECO German catalog.
PPK/S The PPK/S was developed following the enactment of the
Gun Control Act of 1968 (GCA68) in the United States, the pistol's largest market. One of the provisions of GCA68 banned the importation of pistols and revolvers not meeting certain requirements of length, weight, and other "sporting" features into the United States. The PPK failed the "Import Points" test of the GCA68 by a single point. Walther addressed this situation by combining the PP's frame with the PPK's barrel and slide to create a pistol that weighed slightly more than the PPK. better protecting the shooter from
hammer bite, i.e., the rearward-traveling slide pushes the hammer rearward, thus pinching the web between the index finger and thumb of the firing hand, which could be a problem with the original design for people with larger hands or an improper grip. The PPK/S is made of
stainless steel.
PPK/E At the 2000
Internationale Waffen-Ausstellung (
IWA—International Weapons Exhibition) in
Nuremberg, Walther announced a new PPK variant designated as the PPK/E. The PPK/E resembles the PPK/S and has a blue steel finish; it is manufactured under license by
FEG in Hungary. Despite the resemblance between the two, certain PP-PPK-PPK/S parts, such as magazines, are not interchangeable with the PPK/E. Official factory photographs do not refer to the pistol's Hungarian origins. Instead, the traditional Walther legend ("Carl Walther Waffenfabrik Ulm/Do.") is stamped on the left side of the slide. The PPK/E is offered in
.22 LR, .32 ACP, and .380 ACP calibers. ==Production==