gm:375's are different from anything smaller IMHO.At some point in the equation,frontal area and bullet weight matter.Where that point is, I don't know,but 375's smack stuff hard,and make big holes ....get the Whitworth! grin

Last edited by BobinNH; 04/21/09.



The 280 Remington is overbore.

The 7 Rem Mag is over bore.