357 Sig Bullets
This page contains just the projectile portion of a cartridge and is meant for reloaders. Please go to our 357 Sig Ammo Page for loaded ammo that's ready to fire.
Designed to deliver the power of a 357 Magnum out of a semi-automatic pistol, the 357 SIG’s flat trajectory and downrange energy advantage make it an excellent selection for self-defense. Yet the 357 SIG never found its footing in a country already enamoured with the 9mm and the 40 S&W, so finding ammo can be tricky.
Fortunately 357 SIG bullets for reloading are not uncommon at all. At .355 in diameter and 125 grains they are essentially identical to 9mm bullets, and as such are widely available.
As it is the 357 SIG’s parent case, it is theoretically possible to resize 10mm brass to reload 357 SIG bullets. The result is a case that falls slightly short of SAAMI spec, however. Purchasing new brass or repurposing spent 357 SIG cases is preferable.
Different sources will tell you that the 357 SIG headspaces on either the case mouth or the shoulder. You should let your handgun decide which type of headspacing it prefers. New reloaders should also take caution that the 357 SIG’s short neck may not properly seat some 9mm bullets, leading to setback. A .355 bullet with a wider bearing surface is optimal for the 357 SIG. The great abundance of .355 bullets on the market still give the handloader ample opportunity to reload this exciting cartridge!
There are no products matching the selection.