I can see why it would be Elmer Keith's choice; I've been loading 357 mag for years and 2400 works well with any bullet weight. The stuff is amazing. I have multiple loads for my Blackhawk and a few for my 77/357 with 2400, using Hornady, Speer, Sierra, Hodgdon and Alliant data. If I had to choose only one powder to have for 357, it would be 2400.
Jun 29, 2010 · The .357 SIG cartridge was designed to mimic the .357 magnum in an auto pistol. It is a bottleneck cartridge, which means the bullet has a narrower diameter than the base of the cartridge. In this case, the bullet diameter approximates a 9 mm bullet and the base of the cartridge approximates a 40 caliber cartridge.
Sig Sauer 357 Mag for sale is made to exacting specifications to provide the dependable accuracy you need, whether punching paper at the range or loading your handgun for self-defense. SIG 357 Magnum ammo comes in both full metal jacket for target and range use or jacketed hollow point for exceptional performance in self-defense scenarios.