Cartridge comparison
.300 HAM'R vs .32-40 Remington/Hepburn
.300 HAM'R and .32-40 Remington/Hepburn are both in the reference; see the full spec comparison below.
Side by side
| .300 HAM'R | .32-40 Remington/Hepburn | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2018 | 1880 |
| Bullet diameter | 0.308″ | 0.308″ |
| Case length | 1.6031″ | 2.1252″ |
| Max pressure | 57,500 psi | 18,000 psi |
| Recoil | 6–9 ft·lb | 5–8 ft·lb |
| Effective range | 300 yd | 200 yd |
| SAAMI | SAAMI standardized | Not SAAMI standardized |
| CIP | Not 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.
