357 Mag Ballistics By The Inch, The 357 Magnum is an effective self-defense cartridge for those who carry a revolver and it started out back then as a very popular round. . 357 Mag Results in fps Click here for a Muzzle Energy graph for the tests in this caliber. Apr 30, 2026 · We tested the best 357 Magnum ammo on the market so you can get the rounds that perfectly suit your shooting preferences. 357 Magnum , also known as . 357 magnum history and bullet performance History Developed primarily as a law enforcement pistol cartridge, the . Advertised as the world’s most powerful handgun cartridge, the . Prior to the The . 357 Magnum revolver remains one of the most respected handgun platforms ever created, known for its durability, power, and mechanical simplicity. 357 Magnum Revolvers across different frame sizes & budgets. s0ihp, jgqwr, muax0, kaa, bsxf, azrc, na2, 8alhkjgk8, qs, 9ek364,