Cartridge comparison
.31 Volcanic vs 7.63mm Mauser
.31 Volcanic and 7.63mm Mauser are both in the reference; see the full spec comparison below.
Side by side
| .31 Volcanic | 7.63mm Mauser | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1854 | 1896 |
| Bullet diameter | 0.3098″ | 0.3094″ |
| Case length | 1.1516″ | 0.9902″ |
| Max pressure | — | 32,626 psi |
| Recoil | 1.4–1.7 ft·lb | 3.5–5.5 ft·lb |
| Effective range | 50 yd | 75 yd |
| SAAMI | Not SAAMI standardized | Not 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.
