The .357 Magnum is a powerful handgun cartridge developed in the 1930s. It was designed to provide greater stopping power than the standard .38 Special cartridge, making it popular among law enforcement and for personal defense. The .357 Magnum is known for its high velocity and energy, which can penetrate targets effectively. This cartridge is typically used in revolvers, but it can also be fired from some rifles. The .357 Magnum is recognized for its versatility, as it can shoot both full-power loads and lighter .38 Special rounds, allowing for a range of applications from target shooting to hunting.