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30-378 Weatherby Magnum Ammo

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  • 30-378 Weatherby Magnum
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30-378 Weatherby ammo comes in bullet weights of 165 to 220 grains. The most popular and commercially available 30-378 bullet weights are 165, 180 and 200 grains. Grizzly and Cape buffalo are well within the power of this heavy hitter. This is a powerful, heavy recoil cartridge. Performance ballistics for 165, 180 and 200 grains are found in the following table.

30-378 WEATHERBY MAGNUM VELOCITY
100 yd 200 yd 300 yd 400 yd 500 yd
165 gr 3275 ft/s 3063 ft/s 2860 ft/s 2667 ft/s 2482 ft/s
180 gr 3018 ft/s 2881 ft/s 2664 ft/s 2458 ft/s 2261 ft/s
200 gr 2955 ft/s 2759 ft/s 2572 ft/s 2392 ft/s 2220 ft/s
30-378 WEATHERBY MAGNUM ENERGY
100 yd 200 yd 300 yd 400 yd 500 yd
165 gr 3930 ft⋅lb 3437 ft⋅lb 2997 ft⋅lb 2606 ft⋅lb 2257 ft⋅lb
180 gr 3862 ft⋅lb 3316 ft⋅lb 2837 ft⋅lb 2414 ft⋅lb 2042 ft⋅lb
200 gr 3877 ft⋅lb 3381 ft⋅lb 2938 ft⋅lb 2541 ft⋅lb 2188 ft⋅lb

Disclaimer: Actual velocity and energy ballistics may vary.