Personaly any of your choices of makers are good ,I have Savages in 308 and 30-06' with no complaints and have shot with many freinds and family with 700BDLs for 30 years not 1 complaint about either rifle family.

Cartridges there's a place where I'm quite biased and will say 06' every time anybody asks about an all pourpose cartridge. Open market it is available everwhere ammo is on the shelf. You can buy loads from 100grn varmit HPs all the way up to 220grn moose slayers in about any shape you want . If you decide to hand load for it you can open it up from 40-250grns.

Good hunting