A savage should not be too hard to find. All the gub shops down here have them on the rack now. I have not bothered to check closely what calibers though. I'd just call around. No one is in fear of the government taking away hunting rifles at this time.
I like lever actions too but the recoil of a 45-70 is stout. And a 30-30 is on the light side IMO for Elk. It will do the job but you have to be that much better with your bullet placement. There is not really anything between. Plus due to the rifle's magazine design your limited with bullet design for safety reason.
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"80 series, with a fridge"
1976 FJ40, Project with little progress.
2004 Starcraft 10RT