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Lindcott Armory

Cartridge comparison

.30 Carbine vs .357 Magnum

.30 Carbine and .357 Magnum are both in the reference; see the full spec comparison below.

Side by side

.30 Carbine.357 Magnum
TypeRifleRevolver
Introduced19411934
Bullet diameter0.3079″0.357″
Case length1.2902″1.2902″
Max pressure40,000 psi35,000 psi
Recoil4–6 ft·lb12–20 ft·lb
Effective range300 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 .30 Carbine and .357 Magnum trajectories with real loads in Ballistic Compare