I have and like both. The 300 and one of my 7mm's are 700 Remingtons. They both shoot very very accurately. I also have a Ruger Tang safety 77 7mm.

I wouldn't hesitate using any on those animals you have listed.

I prefer classic.
Semper Fi
I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally