Lindcott Armory Compare / .338 Weatherby RPM vs .340 Weatherby Magnum
Cartridge comparison
.338 Weatherby RPM vs .340 Weatherby Magnum
.340 Weatherby Magnum is faster (3,200 vs 3,100 fps).
.338 Weatherby RPM →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.340 Weatherby Magnum →Representative trajectory · 100 yd zero0–1000 yd Open in Ballistic Compare ↗
| .338 Weatherby RPM | .340 Weatherby Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2022 | 1962 |
| Bullet ⌀ | 0.338″ | 0.338″ |
| Case length | 2.55″ | 2.825″ |
| Velocity | 2,800–3,100 fps | 2,700–3,200 fps |
| Energy | — | 3,237–5,115 ft·lb |
| Max pressure | 65,000 psi | 63,800 psi |
| Recoil | — | 30–42 ft·lb |
| Eff. range | — | 600 yd |
FAQs
- Is .338 Weatherby RPM faster than .340 Weatherby Magnum?
- .340 Weatherby Magnum is faster — up to 3,200 fps versus 3,100 fps.