The gun is certainly sufficient.
Ladies, and those with an aversion to recoil, hunt elk with a 243 all the time.
I'm not sure what the difference is, if any, between Berger's vld hunting bullet and their vld target bullet but if you punch a hole through both lungs the bullet will hardly matter. Things that can't breathe die.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.