case volume

[nelsonic]

Can anyone tell me the case volume of the 378 weatherby magnum and the 300 rum? Thanks

 

[ss7mm]

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.