Re: New Long Range Hunting Rifle
Welcome to the rabbit hole. For long range think high BC frangible bullets and moderate to fast muzzle velocities. 338wm does not make the cut imo, and the 300wsm just squeaks in. 7RM trumps both imo. As said a tikka can be tweaked and loaded appropriately for mid range work in the 5-600 yd range quite easily. Before forking out the dough on a new smokepole I'd suggest working on burning up the 7RM barrel for practice, and research what cartridge will suit your shooting needs best.
Cheers
The only advantage to a light rifle is it's weight, all other advantages go to the heavier rifle..