Hunting rifles need a “cold” zero.

When you go for a walk in the weeds for that freezer-filler with a hat-rack. your FIRST, (and likely ONLY) shot will be from a COLD barrel. Bambi is not going to hang around while you fire “warming shots”.

Furthermore, KNOW YOUR TRAJECTORY! If you are going to be nailing a sex-crazed stag at a range if twenty-five yards, from a tree-stand, that’s one thing.

If you plan to get your prize 300 yards away across a windy valley, that’s an entirely different thing, because you will need to have a set-up that can deliver the goods AND you need to be able to dope the wind like a champion High-Power shooter. Not to forget the fitness and agility (and navigational skills) to go mountaineering to recover your trophy before the carnivorous wildlife gets to it.