45/70 is a hard round to beat especially if you reload. you can do everything from birdshot to round balls to 420gr monster killer loads. one of the most versatile cartridges I've ever seen.
then again, you've got 22s and 30 cal... a 243 would make a nice mid range cartridge. flat shooting, decent energy, good ammo availability.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
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