Cartridge comparison
.240 Weatherby Magnum vs .242 Rimless Nitro Express
.240 Weatherby Magnum and .242 Rimless Nitro Express are both in the reference; see the full spec comparison below.
Side by side
| .240 Weatherby Magnum | .242 Rimless Nitro Express | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1968 | 1923 |
| Bullet diameter | 0.2429″ | 0.253″ |
| Case length | 2.5″ | 2.38″ |
| Max pressure | 63,817 psi | 40,000 psi |
| Recoil | 12–18 ft·lb | 7.2 ft·lb |
| Effective range | 400 yd | 300 yd |
| SAAMI | SAAMI (not in current Z299) | Not SAAMI standardized |
| CIP | CIP standardized | Not 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.
