With 9 mm Luger and .40 S&W options already offered, Smith & Wesson is adding a 10 mm Auto chambering to its FPC lineup. The original “Folding Pistol-caliber Carbine”, chambered in 9 mm Luger ...

38 caliber and 9mm handguns. So with Smith & Wesson and Winchester, the FBI engaged in a secret project to develop better defensive ammunition. They came up with the .40 caliber bullet, which was ...