Cartridge comparison
.303 Sporting vs .32-40 Remington/Hepburn
.303 Sporting and .32-40 Remington/Hepburn are both in the reference; see the full spec comparison below.
Side by side
| .303 Sporting | .32-40 Remington/Hepburn | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2000 | 1880 |
| Bullet diameter | 0.3118″ | 0.308″ |
| Case length | 2.0795″ | 2.1252″ |
| Max pressure | 47,863 psi | 18,000 psi |
| Recoil | 13–14.9 ft·lb | 5–8 ft·lb |
| Effective range | 300 yd | 200 yd |
| SAAMI | Not SAAMI standardized | 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.
