John ,
I took a 125 lb. Russian boar this year with a Uberti 1800s' golden boy (lever action replica of the old Henry rifle) in 45 lc ..
while it covered the 30 yards or so to the pig (winchester 225 grn, silver tip hollow point) it went throw the close side shoulder , lungs and heart and didnt break the far side rib where it was recovered , Upon gettin back i took the rifle and said ammo out for a better sight in (75 -100 yrds) and wasnt impressed by the accuracy and drop rate..
So on that caliber if you dont get to reloading it right off the bat i would reccommend Buffalo Bore Ammo ... they hop that round up to 44 mag ballistics or better if i recall right .. But alas my reciever while much stronger then the original brass used in 1800s' is still brass
and not designed to handle those pressures .. i.e the reason i want a handi 45 lc to go along with both my Uberti rifel and bird head pistol .... So to sum up all that , if you went with the +P buffalo Bore ammo or reloaded it up and hotter ... I would think at the closer ranges that the 45 lc could do the deed....
And as for the 45-70
?
Well Hell Its A 45=70 For Pete Sake !! lol
Good luck with the choices,I hope my experience and little bit of experience with the 45 lc helped
Regards ,
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