Also known as: .338-378 Weatherby
By necking down the .378 Weatherby Mag and fire forming it in the rifle chamber, the new .338-378 was born. This cartridge is highly effective for long range shooting. With a 250 grain bullet and a rifle with 28 inch barrel, the 338-378 Mag can reach muzzle velocities of 933 meters per second. You can use this cartridge for hunting all size games in North America, Asia, and Europe. In Africa, it’s a good choice for medium and even large size game.