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Lindcott Armory

Cartridge comparison

.270 WSM vs .300 WSM

.270 WSM and .300 WSM are both in the reference; see the full spec comparison below.

Side by side

.270 WSM.300 WSM
TypeRifleRifle
Introduced20022001
Bullet diameter0.2772″0.308″
Case length2.1″2.1″
Max pressure65,000 psi65,000 psi
Recoil14–18 ft·lb20–28 ft·lb
Effective range500 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 .270 WSM and .300 WSM trajectories with real loads in Ballistic Compare