RE: Smallest Caliber For Deer Hunting
Personally .243Win.
I'm sure with a .220 swift or .22-250 loaded heavy and fairly close range, could probably do the job, but why push how light you can go....
.243 win, or .270win, no kick, plenty of power to get the job done, even those cartridges can lose deer with good shots etc...ad with less than perfect shots why risk wounding anything.