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Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by nelsonic, Mar 26, 2005.
Can anyone tell me the case volume of the 378 weatherby magnum and the 300 rum? Thanks
Nelsonic: AmmoGuide's site (AmmoGuide site) says the water capacity of the 378 Weatherby is 133 grains of water. They say the water capacity of the 300 RUM is 111 grains of water.