Buy Ammunition

San Antonio Ammo

Ammunition Source  •  Every Shot Counts  •  Firearms

357 Mag



Order from Ammo Store


The 357 Magnum is a cartridge for a revolver that was created by Keith, Sharpoe & Wesson of the company Smith & Wesson. In 1934 the 357 Magnum was intorduced and based on the 38 Special Smith & Wesson Cartridge. This became the start of the "Magnum" era when refering to handgun ammo.



Note: While every effort is made to include accurate and correct information for each product, they may not necessarily represent the product in its entirety. Inadvertent errors may occur. We reserve the right to modify or change product information and pricing without notice. If you have a question about an item, please call or e-mail for more information before ordering.