The .40 S&W cartridge has been called the “ideal cartridge for personal defense and law enforcement.” The .40 S&W was specifically developed to duplicate performance of the FBI’s reduced-velocity 10mm cartridge and fit into medium-frame (9mm size) automatic handguns. It debuted January 17, 1990, along with the new Smith and Wesson 4006 pistol. Ironically, the […]

