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Cartridge comparison

.30-338 Prechtl Magnum vs .30-378 Weatherby Magnum

.30-338 Prechtl Magnum and .30-378 Weatherby Magnum are both in the reference; see the full spec comparison below.

ToolOverlay .30-338 Prechtl Magnum and .30-378 Weatherby Magnum trajectories with real loads in Ballistic Compare

Side by side

.30-338 Prechtl Magnum.30-378 Weatherby Magnum
TypeRifleRifle
Introduced20171996
Bullet diameter0.3091″0.308″
Case length2.7244″2.913″
Max pressure60,916 psi63,817 psi
Recoil28.8–33.6 ft·lb35–50 ft·lb
Effective range400 yd800 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.

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