Cartridge comparison
.333 Jeffery vs .338 RCM
.333 Jeffery and .338 RCM are both in the reference; see the full spec comparison below.
Side by side
| .333 Jeffery | .338 RCM | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1908 | 2008 |
| Bullet diameter | 0.333″ | 0.338″ |
| Case length | 2.4748″ | 2.015″ |
| Max pressure | 47,863 psi | 65,000 psi |
| Recoil | 35.9–38.8 ft·lb | 22–28.3 ft·lb |
| Effective range | 250 yd | 350 yd |
| SAAMI | Not SAAMI standardized | SAAMI standardized |
| CIP | Not standardized | CIP standardized |
| Obsolete | Obsolete | — |
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.
