Lindcott Armory Compare / .338 RCM vs .338 Weatherby RPM
Cartridge comparison
.338 RCM vs .338 Weatherby RPM
.338 Weatherby RPM is faster (3,100 vs 2,850 fps).
.338 RCM →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.338 Weatherby RPM →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| .338 RCM | .338 Weatherby RPM | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2008 | 2022 |
| Bullet ⌀ | 0.338″ | 0.338″ |
| Case length | 2.1″ | 2.55″ |
| Velocity | 2,600–2,850 fps | 2,800–3,100 fps |
| Energy | 3,004–4,510 ft·lb | — |
| Max pressure | 65,000 psi | 65,000 psi |
| Recoil | 15–22 ft·lb | — |
| Eff. range | 350 yd | — |
FAQs
- Is .338 RCM faster than .338 Weatherby RPM?
- .338 Weatherby RPM is faster — up to 3,100 fps versus 2,850 fps.