As for factory ammo,
1. The PMC, 158 grain jacketed soft point is really accurate.
2. As for hunting, Cor-Bon now makes .357 Mag hunting ammo for rifles. It comes with a 180 grain, soft point, solid lead core jacketed bullet, that is really suppose to hold together to plow on through the deer. I believe that Federal makes (or made) factory 180 grain soft points forr hunting too.
3. Please do not use regular factory 158 grain (or lighter) hollow points or softpoints for hunting. The are self-defense rounds, designed to open up quick on a person. These open up way to fast on a deer, and do not get sufficient penetration for a humane kill. You may very likely just get an enormous crater hole on the deer, not deep enough to hit vitals, with a terrible wound and a lost deer. Stick to 180 grain bullets.