RE: 308 for moose
I would use something on the larger side myself. Moose are tough animals, and some of the bullets mentioned thus far, though highly effective calibers, have bullets with rather fragile jackets. The point about being in bear and dangerous game territory is very valid. I would say, if you have the means, finding a larger caliber, such as the .338 at minimum, more comfortable for that terrain might be a 45/70, .450 or .444 Marlin, something with some bore diameter. That way, you can buy a bullet meant to NOT deform much at all, which will easily penetrate a Moose' s hide, while easily disabling and hitting hard. Your wound channel will also still be significant due to the sheer diameter of the bullet. Also, alot of moose terrain is thick woods, and a brush gun such as these definitly has a place in the woods.