Cartridge comparison
.50 GI vs .56-52 Spencer
.50 GI and .56-52 Spencer are both in the reference; see the full spec comparison below.
Side by side
| .50 GI | .56-52 Spencer | |
|---|---|---|
| Type | Pistol | Rifle |
| Introduced | 2004 | 1866 |
| Bullet diameter | 0.5″ | 0.512″ |
| Case length | 0.8988″ | 0.9402″ |
| Max pressure | 23,000 psi | 18,000 psi |
| Recoil | 11.9–12.9 ft·lb | 18–26 ft·lb |
| Effective range | 50 yd | 300 yd |
| SAAMI | Not 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.
