For shear packability, my choice would be the .454 as it fits in a "normal-sized" revolver. Unless you planning on really long shots, the .460 IMHO offers nothing over the .454. You can lean on the .454 pretty hard if you need to. Again, just my humble opinion.

What will be on the menu?

Max Prasac

Semper Fidelis

BIG IRON: https://www.youtube.com/watch?v=L6aXjMH5C30

Gun Digest TV's Modern Shooter: https://www.youtube.com/watch?v=nGo-KMpXPpA&t=7s