.458 SOCOM ammunition is a type of rifle ammunition designed for use in firearms chambered in .458 SOCOM caliber. This cartridge was developed specifically for use in the AR-15 platform as a powerful big-bore cartridge that could take down large game at close to medium range.
The .458 SOCOM cartridge is a rebated rim cartridge that measures 11.63x40mm in size. It features a large, heavy bullet that typically weighs around 250 to 600 grains, making it one of the largest and most powerful rifle cartridges that can be used in an AR-15 platform. The standard bullet weight for .458 SOCOM ammunition is 300 grains.
The bullet design for .458 SOCOM ammunition typically features a lead core surrounded by a copper or brass jacket. The bullet may be a full metal jacket (FMJ), hollow point (HP), or solid, depending on the intended use. Hollow point bullets are typically used for hunting or self-defense, as they provide greater stopping power and expansion upon impact.
.458 SOCOM ammunition is loaded with a consistent powder charge and primer, ensuring reliable performance and consistent accuracy. The cartridges are typically brass-cased and boxer-primed, which makes them easy to reload.
Overall, .458 SOCOM ammunition is a powerful, highly effective ammunition that offers excellent accuracy and close-range stopping power. Its large, heavy bullet and high energy transfer make it an ideal choice for hunting large game or self-defense applications, while its consistent performance and reliability make it a popular choice among shooters looking for a big-bore cartridge for their AR-15 platform.