240 Weatherby Magnum: The 240 Weatherby Magnum was introduced in 1968 as the twelfth Weatherby cartridge in their belted long range rifle cartridge line-up. The 240 Weatherby cartridge case is unique in its design and is best described as a .30-06 cartridge case necked down to .243″ caliber and a belt added to the case. […]
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340 Weatherby Magnum Ballistics and Information
340 Weatherby Magnum: The 340 Weatherby Magnum was developed by necking up Weatherby’s already well established 300 Weatherby Magnum to a bullet diameter of .338 inches. This filled the Weatherby cartridge gap between their 300 Magnum and 375 Magnum. This cartridge went into mass production in 1963. The 340 Weatherby Magnum is very powerful, loaded […]