Full list of calibre technical specs
| CALIBRE |
Bullet grains | Bullet diameter (inch) |
Muzzle velocity (ft/s) |
Muzzle energy (ft-lb) |
|---|---|---|---|---|
| 476 Westley Richards | 520 | .476 to .700 (NE) | 2100 | 5093 |
| 475 Nitro Express No 2 | 500 | .483 to .700 (NE) | 2150 | 5133 |
| 505 Gibbs | 600 | .505 to .700 (NE) | 2100 | 5876 |
| 50 Alaskan | 525 | .468 to .700 (NE) | 1694, | 3346 |
| 500 Nitro Express | 570 | .468 to .700 (NE) | 2150 | 5851 |
| 500 Jeffery (12.7 x 70mm Schuler) | 600 | .468 to .700 (NE) | 2468 | 8116 |
| 577 Nitro Express, | 750 | .468 to .700 (NE) | 2050, | 7000 |
| 600 Nitro Express | 900 | .468 to .700 (NE) | 2000 | 7995 |
| 700 Nitro Express | 1000 | .468 to .700 (NE) | 2000 | 8883 |