.357 Magnum

1934 · Elmer Keith / Phil Sharpe / Smith & Wesson · 166 firearms in catalog

Also known as: .357 Mag, .357 S&W Magnum, 9x33mmR

Cartridge specifications

Bullet Diameter9.07 mm (0.357")
Neck Diameter9.6 mm (0.378")
Base Diameter9.6 mm (0.378")
Case Length32.77 mm (1.290")
Overall Length40.39 mm (1.590")
Max Pressure241 MPa (35,000 psi)
Typical Bullet Weight8.1 g (125 gr)
Typical Muzzle Velocity440 m/s (1444 fps)
Typical Muzzle Energy784 J (578 ft·lbf)
Primer TypeSmall Pistol
Cartridge TypeRimmed
Introduced1934

Firearms chambered in .357 Magnum

Cartridge family

Parent cartridge: .38 Special