357 Magnum Brass Casings

Whether you want a light-shooting lead-nosed cowboy load or a powerful, hard-hitting one for hunting, Widener's can help with the 357 mag brass casings. Pick up some 357 magnum brass and check out the rest of our component selection to load your own .357 Mag ammunition to your precise specifications.

Quality brass for this caliber is produced or reconditioned by Jagemann, Top Brass, and other companies - you'll find our in-stock casings for sale below.