Cartridge comparison
.40-70 Sharps vs .400 Purdey 3"
.40-70 Sharps and .400 Purdey 3" are both in the reference; see the full spec comparison below.
Side by side
| .40-70 Sharps | .400 Purdey 3" | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1872 | 1905 |
| Bullet diameter | 0.403″ | 0.4051″ |
| Case length | 2.5″ | 3″ |
| Max pressure | 22,000 psi | 34,809 psi |
| Recoil | 23.3–27 ft·lb | 22.4 ft·lb |
| Effective range | 200 yd | 250 yd |
| SAAMI | Not SAAMI standardized | Not SAAMI standardized |
| CIP | Not standardized | CIP standardized |
| Obsolete | 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.
