Cartridge comparison
8x56mmR vs 8x57 JRS
8x56mmR and 8x57 JRS are both in the reference; see the full spec comparison below.
Side by side
| 8x56mmR | 8x57 JRS | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1930 | 1905 |
| Bullet diameter | 0.3287″ | 0.3236″ |
| Case length | 2.1902″ | 2.2441″ |
| Max pressure | 52,000 psi | 47,863 psi |
| Recoil | 14–18 ft·lb | 14–18 ft·lb |
| Effective range | 550 yd | 300 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.