Load work up and your done. I would Dyna bore coat just for added corrosion resistance even if it doesn't foul. I like to have a spare scope as a back up in the same mounts ready to go, I have never switched in the field but should have a couple of times. I only found out that something was wrong after a miss, riding around on a four wheeler can do that to a rifle. Now I keep the rifles in a double padded case on the front rack. In your case I would get a brighter scope with raingard for load work up and rainy days like a 3-9 Bushnell elite. With a 375 just about any bullet is a moose thumper.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli