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Lindcott Armory

Cartridge comparison

.256 Winchester Magnum vs .357 Magnum

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

Side by side

.256 Winchester Magnum.357 Magnum
TypeRevolverRevolver
Introduced19611934
Bullet diameter0.2571″0.357″
Case length1.2811″1.2902″
Max pressure42,000 psi35,000 psi
Recoil8–12 ft·lb12–20 ft·lb
Effective range150 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 .256 Winchester Magnum and .357 Magnum trajectories with real loads in Ballistic Compare