top of page

.357 Auto Magnum

You need to be a member to bookmark a  load !

Bookmark caliber
>> My bookmarks
Caliber .357 Auto Magnum load data and technical Specifications

Caliber Specifications:

Caliber:
.357 Auto Magnum
Standard / Datasheet:
C.I.P.
Bullet Diameter:
0.358" | 9.09mm
Primer Size:
Small Pistol Magnum (SPM)
Max. Case Length:
1.299" | 32.99mm
Max. Cartridge Length / OAL:
1.600" | 40.64mm
Max. Standardized Pressure:
36985 psi | 2550 bar
Case Capacity:
35.0 Grains of Water
CID:
CID_511
  • The .357 Auto Magnum is a wildcat cartridge that is derived from the .357 Magnum. It is essentially a .357 Magnum cartridge that has been necked down to accept a 9mm bullet. This cartridge was designed to be used in a semi-automatic pistol, but it is not a standardized cartridge and is not commonly produced by ammunition manufacturers.The .357 Auto Magnum has similar ballistics to the .357 Magnum cartridge, but with a smaller bullet diameter. It is not widely used or recognized, and its use may be limited due to the lack of standardized production and availability of ammunition.
  • Bullet Weight (gr) ->
    0-50
    50-75
    75-100
    100-150
    150-200
    200-300
    >300

    The following table indicates  for this caliber and various bullet weight ranges (in grains) which powders are suitable (👍) and popular among our reloading community (👍👍).  This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.

  • Weight vs. Velocity - Suitable Bullets for this Caliber

    You need to get an access license to view this chart. See an example with the following caliber: .22 Nosler

    Barrel Length  Variation vs. Velocity - by Bullet Weight

  • Number of loads in this caliber shared by community members:

    0

.357 Auto Magnum load data available with the following bullets:

(most popular first)

Filter by Bullet Weight (Grains)
bottom of page