Cartridge comparison
6.5x55mm Swedish vs 6.5x58mm Portuguese
6.5x55mm Swedish and 6.5x58mm Portuguese are both in the reference; see the full spec comparison below.
Side by side
| 6.5x55mm Swedish | 6.5x58mm Portuguese | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1894 | 1904 |
| Bullet diameter | 0.2642″ | 0.2618″ |
| Case length | 2.1654″ | 2.2776″ |
| Max pressure | 55,000 psi | 52,000 psi |
| Recoil | 12–16 ft·lb | 10–15 ft·lb |
| Effective range | 800 yd | 400 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.