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Lindcott Armory

Cartridge comparison

.270 WSM vs 7mm WSM

.270 WSM and 7mm WSM are both in the reference; see the full spec comparison below.

Side by side

.270 WSM7mm WSM
TypeRifleRifle
Introduced20022001
Bullet diameter0.2772″0.284″
Case length2.1″2.1″
Max pressure65,000 psi65,000 psi
Recoil14–18 ft·lb18–26 ft·lb
Effective range500 yd700 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 .270 WSM and 7mm WSM trajectories with real loads in Ballistic Compare