One great thing about Oz is that you guys can shoot so much medium sized game, and in the right area, a bunch of feral cattle and donkeys too I suppose. If an American shoots 2 deer and one elk in a year, he has done well. For volume shooting we have rabbits, prarie dogs, coyotes and birds. And that's about it. But coyotes are really smart so you would have to be very good to kill 3 in a day.

For deer I use a 6.5 x 64, .270, 30-06 or 7 STW. Even at 450 yards, the benefit of the 7 STW is marginal. If I got a tactical scope and started shooting deer in the 500 to 800 yard range, I might see greater benefit from the magnum.