Cartridge comparison
.318 Westley Richards vs .333 Jeffery
.318 Westley Richards and .333 Jeffery are both in the reference; see the full spec comparison below.
Side by side
| .318 Westley Richards | .333 Jeffery | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1910 | 1908 |
| Bullet diameter | 0.3299″ | 0.333″ |
| Case length | 2.4″ | 2.4799″ |
| Max pressure | 50,000 psi | 47,000 psi |
| Recoil | 12–18 ft·lb | 12–18 ft·lb |
| Effective range | 300 yd | 250 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.