Cartridge comparison
11mm Beaumont vs .45-70 Government
11mm Beaumont and .45-70 Government are both in the reference; see the full spec comparison below.
Side by side
| 11mm Beaumont | .45-70 Government | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1871 | 1873 |
| Bullet diameter | 0.4555″ | 0.458″ |
| Case length | 2.0067″ | 2.1051″ |
| Max pressure | 18,000 psi | 28,000 psi |
| Recoil | 19.6–21.6 ft·lb | 25–37.5 ft·lb |
| Effective range | 400 yd | 200 yd |
| SAAMI | Not SAAMI standardized | SAAMI standardized |
| CIP | Not 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.
