Lindcott Armory Compare / .257 Roberts vs 6.5x55mm Swedish
Cartridge comparison
.257 Roberts vs 6.5x55mm Swedish
.257 Roberts is faster (3,150 vs 2,900 fps); .257 Roberts carries more energy (2,700 vs 2,650 ft·lb); .257 Roberts recoils less.
.257 Roberts →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
6.5x55mm Swedish →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| .257 Roberts | 6.5x55mm Swedish | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1934 | 1894 |
| Bullet ⌀ | 0.257″ | 0.264″ |
| Case length | 2.233″ | 2.165″ |
| Velocity | 2,800–3,150 fps | 2,600–2,900 fps |
| Energy | 2,200–2,700 ft·lb | 2,200–2,650 ft·lb |
| Max pressure | 54,000 psi | 55,000 psi |
| Recoil | 8–12 ft·lb | 12–16 ft·lb |
| Eff. range | 500 yd | 1000 yd |
FAQs
- Is .257 Roberts faster than 6.5x55mm Swedish?
- .257 Roberts is faster — up to 3,150 fps versus 2,900 fps.
- Does .257 Roberts hit harder than 6.5x55mm Swedish?
- .257 Roberts carries more muzzle energy (2,700 vs 2,650 ft·lb).