.357 SIG is a centerfire handgun cartridge developed jointly by SIG Sauer and Federal Cartridge in 1994. It is designed to provide the high velocity and flat trajectory of a rifle cartridge, while still maintaining a compact size that can be used in a handgun.
The .357 SIG cartridge is typically loaded with a 125-grain bullet and has a muzzle velocity of around 1,400 to 1,500 feet per second. This provides greater penetration and energy transfer than many other handgun cartridges, and allows for accurate shooting at longer ranges.
The .357 SIG cartridge is compatible with certain pistols and firearms, including several models of SIG Sauer and Glock handguns. It is primarily used for self-defense and law enforcement applications, where its high velocity and accuracy make it a popular choice for stopping threats quickly and effectively.
Overall, the .357 SIG cartridge is known for its power, accuracy, and reliability, making it a popular choice for law enforcement and military personnel, as well as civilian shooters who value its stopping power and effectiveness in defensive situations.