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				Originally posted by RUMLUVER  
I would choose the .280 Imp because of the fact it shoots larger diameter bulluts and its easier on brass. I also would choose the 140gr bullets for their higher B.C.'s. To me the .280 Imp isn't giving anything up to the 270 wsm that a good rifle couldn't overcome. 
			
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 What evidence do you have on the case life of the 270 WSM or the 280 Improved?