Compare / .270 WSM vs .300 WSM

Cartridge comparison

.270 WSM vs .300 WSM

.300 WSM is faster (3,300 vs 3,200 fps); .300 WSM carries more energy (3,500 vs 2,900 ft·lb); .270 WSM recoils less.

.270 WSM →
Representative trajectory · 100 yd zero0–1000 yd
100 yd · zero0″−153″153″ drop @ 1000 yd05001000Open in Ballistic Compare ↗
.300 WSM →
Representative trajectory · 100 yd zero0–1000 yd
100 yd · zero0″−144″144″ drop @ 1000 yd05001000Open in Ballistic Compare ↗
.270 WSM.300 WSM
TypeRifleRifle
Introduced20022001
Bullet ⌀0.277″0.308″
Case length2.1″2.1″
Velocity2,900–3,200 fps2,850–3,300 fps
Energy2,200–2,900 ft·lb2,700–3,500 ft·lb
Max pressure65,000 psi65,000 psi
Recoil14–18 ft·lb20–28 ft·lb
Eff. range500 yd600 yd

FAQs

Is .270 WSM faster than .300 WSM?
.300 WSM is faster — up to 3,300 fps versus 3,200 fps.
Does .270 WSM hit harder than .300 WSM?
.300 WSM carries more muzzle energy (3,500 vs 2,900 ft·lb).