.357 Magnum

The .357 S&W Magnum, also commonly known as .357 Magnum, or 9x33mmR, is a smokeless powder cartridge with a .357-inch (9.07 mm) bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. Wesson of firearms manufacturers Smith & Wesson and Winchester.


The .357 S&W Magnum, also commonly known as .357 Magnum, or 9x33mmR, is a smokeless powder cartridge with a .357-inch (9.07 mm) bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. Wesson of firearms manufacturers Smith & Wesson and Winchester.
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