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T. O'Heir · December 27, 2018, 01:43 PM

More than just a barrel change. The RUM is rebated rim, rimless cartridge and about 20 thou longer in case length. The Weatherby is a belted Magnum case. Rim diameter isn't the same either. Only 4 thou difference though.
The other thing is that the Weatherby ammo starts at about $75 per 20. And you won't find it in small places.

December 27, 2018, 01:43 PM	#3
T. O'Heir Senior Member Join Date: February 13, 2002 Location: Canada Posts: 12,453	More than just a barrel change. The RUM is rebated rim, rimless cartridge and about 20 thou longer in case length. The Weatherby is a belted Magnum case. Rim diameter isn't the same either. Only 4 thou difference though. The other thing is that the Weatherby ammo starts at about $75 per 20. And you won't find it in small places. __________________ Spelling and grammar count!