The pistol was the Model 4006 and the cartridge was the .40 Smith & Wesson. The gun-cartridge combination ... bore size and bullet weight. We got the .41 Magnum, which clearly delivered all ...
What You Need to Know: The Smith & Wesson Model 39, inspired by the German Walther P-38, became the first American nine-millimeter pistol used by U.S. Navy SEALs during the Vietnam War.