Performance
In terms of velocity, the .240 Weatherby is the fastest commercially produced 6 mm cartridge. There are of course several faster wildcat rounds available, but the .240 Weatherby outclasses the 6 mm Remington and the newer .243 WSSM by about 150 ft/s (46 m/s). While favoured by some varmint hunters, the .240 Weatherby Mag. is not much liked by some reloaders because the case cannot be formed out of any other brass; one either has to buy Weatherby ammunition or reload used Weatherby cases which tend to be more expensive than those for more common cartridges. With the heavier bullets the .240 Wby. Mag. makes for a good deer hunting cartridge, but it does tend to require a long (>23 inches (580 mm).) barrel in order to achieve peak performance.
| Muzzle | 100 yd | 200 yd | 300 yd | 400 yd | 500 yd | |
|---|---|---|---|---|---|---|
| Trajectory | 2.8 | 3.5 | 0 | -8.4 | -22.9 | |
| Energy | 2576 | 2183 | 1844 | 1550 | 1294 | 1073 |
| Velocity | 3406 | 3136 | 2882 | 2642 | 2415 | 2199 |
Read more about this topic: .240 Weatherby Magnum
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