Factory? I would probably go 8-twist 6.5 x 55. Although it still gets you back to handloading ultimately, then you can play with some long range bullets for fun. And it would work well in the magazine constraints of the 84L.
Otherwise, 25-06 all day.
Anybody who seriously concerns themselves with the adequacy of a Big 7mm for anything we hunt here short of brown bear, is a dufus. They are mostly making shidt up. Crunch! Nite-nite!
