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Cartridge comparison

.30-378 Weatherby Magnum vs .300 Pegasus

.30-378 Weatherby Magnum and .300 Pegasus are both in the reference; see the full spec comparison below.

ToolOverlay .30-378 Weatherby Magnum and .300 Pegasus trajectories with real loads in Ballistic Compare

Side by side

.30-378 Weatherby Magnum.300 Pegasus
TypeRifleRifle
Introduced19961994
Bullet diameter0.308″0.3079″
Case length2.913″2.9902″
Max pressure63,817 psi62,366 psi
Recoil35–50 ft·lb32.8–37.9 ft·lb
Effective range800 yd400 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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