Cartridge comparison
.38-55 Winchester vs .38-56 Winchester
.38-55 Winchester and .38-56 Winchester are both in the reference; see the full spec comparison below.
Side by side
| .38-55 Winchester | .38-56 Winchester | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1884 | 1887 |
| Bullet diameter | 0.377″ | 0.3775″ |
| Case length | 2.085″ | 2.1″ |
| Max pressure | 30,000 psi | 18,000 psi |
| Recoil | 3.5–5.5 ft·lb | 10–15 ft·lb |
| Effective range | 200 yd | 200 yd |
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.