Cartridge comparison
.300 WSM vs .308 Winchester
.300 WSM and .308 Winchester are both in the reference; see the full spec comparison below.
Side by side
| .300 WSM | .308 Winchester | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2001 | 1952 |
| Bullet diameter | 0.308″ | 0.308″ |
| Case length | 2.1″ | 2.015″ |
| Max pressure | 65,000 psi | 62,000 psi |
| Recoil | 20–28 ft·lb | 15–20 ft·lb |
| Effective range | 600 yd | 800 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.