357 Magnumizak22 (35) in life • 6 years ago The .357 S&W Magnum (9×33mmR), or simply .357 Magnum, is a revolver cartridgewith a .357-inch (9.07 mm) bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and D. B. Wesson of firearmsmanufacturers Smith & Wesson and Winchester. Steepshot IPFS IOS Android Web life photography steemit steem story money photo love gun guns magnum 357 steepshot