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Lindcott Armory

Cartridge comparison

7mm STW vs 7mm Weatherby Magnum

7mm STW and 7mm Weatherby Magnum are both in the reference; see the full spec comparison below.

Side by side

7mm STW7mm Weatherby Magnum
TypeRifleRifle
Introduced19791945
Bullet diameter0.284″0.284″
Case length2.85″2.5488″
Max pressure65,000 psi65,000 psi
Recoil30–42 ft·lb15–20 ft·lb
Effective range800 yd600 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 7mm STW and 7mm Weatherby Magnum trajectories with real loads in Ballistic Compare