How much does a 357 magnum weigh?

The weight of a .357 Magnum cartridge varies slightly depending on the specific bullet type and manufacturer, but a typical .357 Magnum round weighs around 158 grains (about 10.2 grams). When considering the weight of a revolver chambered for .357 Magnum, it can range from about 24 ounces (1.5 pounds) to over 40 ounces (2.5 pounds) depending on the model and materials used.