On whitetails, both choices are not optimal
We had one guy in camp that hunted with a 300 Win Mag.
I've got a Rem 7600 in 35 Whelen.
The longest shot to date at our camp is 250+ yards. The vast majority have been in the 80-and-under range.
Neither 300 Win Mag or 35 Whelen did any better than 30-06 with 150-165 grain bullets. However, both brought deer down.
In one instance we saw a whitetail blown in half by a 300 Win Mag. Yikes.
My "Whelenizer" accounted for a bunch of deer before being retired in favor of a new 30-06.
The conclusion from our deer camp is that both chamberings are not the best idea for whitetails at fairly close ranges.
