Lindcott Armory Compare / .338 Weatherby RPM vs .338 Winchester Magnum
Cartridge comparison
.338 Weatherby RPM vs .338 Winchester Magnum
.338 Weatherby RPM is faster (3,100 vs 2,900 fps).
.338 Weatherby RPM →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.338 Winchester Magnum →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| .338 Weatherby RPM | .338 Winchester Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2022 | 1958 |
| Bullet ⌀ | 0.338″ | 0.338″ |
| Case length | 2.55″ | 2.5″ |
| Velocity | 2,800–3,100 fps | 2,400–2,900 fps |
| Energy | — | 2,560–4,000 ft·lb |
| Max pressure | 65,000 psi | 64,000 psi |
| Recoil | — | 20–28 ft·lb |
| Eff. range | — | 600 yd |
FAQs
- Is .338 Weatherby RPM faster than .338 Winchester Magnum?
- .338 Weatherby RPM is faster — up to 3,100 fps versus 2,900 fps.