I have used the 200 Partition a LOT in both the '06 and various .300 magnums. It not only works on elk at any range but I have also used it on Montana pronghorn and mule deer, and they died promptly. I suspect the 220 Partition would work the same way, even if it does start a little slower.

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck