The .357 SIG is based on a .40 S & W case, necked own to accept .355 (or 9mm) bullets. The .357 SIG was designed to get the same level of performance of the .357 magnum, but with less recoil. The .357 SIG has become regularly used by law enforcement and government agencies. Many regional law enforcement agencies continue to use the .357 SIG, due to such success with high muzzle velocity and added ammo capacity in a semi-automatic platform. Whether you're looking for practice ammo or the latest in full copper, high penetration rounds, check out our selection and grab the perfect box.
