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Lindcott Armory

Cartridge comparison

.357 AutoMag vs 9mm Winchester Magnum

.357 AutoMag and 9mm Winchester Magnum are both in the reference; see the full spec comparison below.

Side by side

.357 AutoMag9mm Winchester Magnum
TypePistolPistol
Introduced19711977
Bullet diameter0.3591″0.355″
Case length1.2992″1.1598″
Max pressure36,985 psi45,000 psi
Recoil5–8 ft·lb3.5–5.5 ft·lb
Effective range100 yd100 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.

ToolOverlay .357 AutoMag and 9mm Winchester Magnum trajectories with real loads in Ballistic Compare