Lindcott Armory Compare / .318 Westley Richards vs .333 Jeffery
Cartridge comparison
.318 Westley Richards vs .333 Jeffery
.318 Westley Richards is faster (2,700 vs 2,500 fps); .318 Westley Richards carries more energy (4,000 vs 3,474 ft·lb).
.318 Westley Richards →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.333 Jeffery →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| .318 Westley Richards | .333 Jeffery | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1910 | 1908 |
| Bullet ⌀ | 0.33″ | 0.333″ |
| Case length | 2.52″ | — |
| Velocity | 2,400–2,700 fps | 2,400–2,500 fps |
| Energy | 3,200–4,000 ft·lb | 3,199–3,474 ft·lb |
| Max pressure | 50,000 psi | 47,000 psi |
| Recoil | 12–18 ft·lb | 12–18 ft·lb |
| Eff. range | 400 yd | 400 yd |
FAQs
- Is .318 Westley Richards faster than .333 Jeffery?
- .318 Westley Richards is faster — up to 2,700 fps versus 2,500 fps.
- Does .318 Westley Richards hit harder than .333 Jeffery?
- .318 Westley Richards carries more muzzle energy (4,000 vs 3,474 ft·lb).