The other thing I do for the quick shots...which I most generally only do with Whitetails or coyotes...I have my 280Ackley (140 gr Berger VLD leaving at 3225 fps) zeroed at 272 yards. This gives me 3" high at 150 yards and 3" low at 317 yards. Makes for a very quick shot at the ranges I usually find whitetail deer here in Idaho. That one has a Swaro scope on it with (I think) the BRH reticle. I have verified where the yards are according to the reticle line and have that written on a card that is attached to the sling near the front swivel.
I keep my 300 WM (2 different rifles, chambered by the same guy with the same reamer) zeroed at 100 and dial or holdover. I use one to kill everything from whistle pigs to moose. The other only shoots paper, steel and rocks. I dial those. The SHV is on a .223AI zeroed at 100 and I dial it. I have only put 200 rounds through it so far, including fire forming, but it's extremely accurate. I can repeatedly hit a 1.5" gong at 550 yards with an 80 gr Berger VLD leaving at something like 2740 fps with the fire formed brass.