Cartridge comparison
.45-70 Government vs .577/450 Martini-Henry
.45-70 Government and .577/450 Martini-Henry are both in the reference; see the full spec comparison below.
Side by side
| .45-70 Government | .577/450 Martini-Henry | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1873 | 1871 |
| Bullet diameter | 0.458″ | 0.465″ |
| Case length | 2.1051″ | 2.326″ |
| Max pressure | 28,000 psi | 25,382 psi |
| Recoil | 25–37.5 ft·lb | 25–38 ft·lb |
| Effective range | 200 yd | 400 yd |
| SAAMI | SAAMI standardized | Not SAAMI standardized |
| CIP | CIP standardized | CIP 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.
