Cartridge comparison
.240 Weatherby Magnum vs .257 Weatherby Magnum
.240 Weatherby Magnum and .257 Weatherby Magnum are both in the reference; see the full spec comparison below.
Side by side
| .240 Weatherby Magnum | .257 Weatherby Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1968 | 1944 |
| Bullet diameter | 0.2429″ | 0.257″ |
| Case length | 2.4961″ | 2.5449″ |
| Max pressure | 65,000 psi | 65,000 psi |
| Recoil | 12–18 ft·lb | 16–22 ft·lb |
| Effective range | 400 yd | 500 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.