When it comes to getting inside Walther PP-series pistols, Michael J. Parker, a former Interarms vice president, has learned a thing or four. If you want to detail strip your Walther, read this first.

Introduced in 1929, Carl Walther’s PP (Polizei Pistole) was by no means the first double-action semi-automatic ever designed—several had appeared since 1905—but unlike most of the earlier ...

Rock Island Auction Company, which specializes in the sale of historic firearms, is offering a factory engraved, gold-plated Walther PP pistol once owned by King Carol II of Romania, who was known ...