Originally Posted by mathman
It's not about duplicating the ballistics, it's about uniformity and mechanical packaging advantages.


Agreed on this. Uniformity of chamber, throat and magazine specs to facilitate loading of what really is a better bullet.

You can rebarrel/re-throat about any rifle and get optimum specs for any cartridge bullet combo you desire. Magazine issues are another thing. There are rifles out there, and commonly so, that become single shots loaded to their max potential.

"Chances Will Be Taken"