357 Magnum
Handgun Cartridge



The 357 Magnum was, at the time of its introduction, the most powerful revolver cartridge in existence. Today it falls well short of that mark, but is still a relatively powerful round.

38 Special ammunition can be safely and accurately fired through a 357 Magnum revolver, and is excellent for practice and plinking. When loading full power .357 rounds, we have always had the best luck with slower powders like 2400, H110, and W296. When using these slow powders, a small pistol magnum primer and a heavy roll crimp are necessary to help achieve consistent ignition. We have had great results with the following procedure:

  • Seat the bullet to where you can just see the top edge of the cannelure.
  • Adjust your crimp so that the case mouth is deforming the ridges in the cannelure and biting all the way to the bottom of the groove.


Nosler Ammunition

Loaded for 357 Magnum

Not offered at this time



Nosler Bullets

Designed for Loading & Reloading 357 Magnum


Sporting Handgun Revolver Bullet

  • 38 Caliber 158 Grain


Available Cartridge Information:




35 Caliber / .358” Diameter

9.3mm Caliber / .366” Diameter

375 Caliber / .375” Diameter

416 Caliber / .416” Diameter

44 Caliber / .429” Diameter

45 Caliber / .458” Diameter

458 Caliber / .458” Diameter





9mm Caliber / .355” Diameter

38 Caliber / .357” Diameter

10MM Caliber / .400” Diameter

41 Caliber / .410” Diameter

44 Caliber / .429” Diameter

45 Caliber / .451” Diameter