Cartridge comparison
.357 AutoMag vs .357 Magnum
.357 AutoMag and .357 Magnum are both in the reference; see the full spec comparison below.
Side by side
| .357 AutoMag | .357 Magnum | |
|---|---|---|
| Type | Pistol | Revolver |
| Introduced | 1971 | 1934 |
| Bullet diameter | 0.3591″ | 0.357″ |
| Case length | 1.2992″ | 1.2902″ |
| Max pressure | 36,985 psi | 35,000 psi |
| Recoil | 5–8 ft·lb | 12–20 ft·lb |
| Effective range | 100 yd | 100 yd |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.