I have killed numerous deer and hogs with a 30-30, and at ranges from 0-150 yards, it will do anything my 270 or 308 will do. My preferred shot placement on hogs whether shooting a 30-30 or 9.3x62 is to aim for the head. I have never had to track a hog after a head shot.

Someone mentioned Hornady LeverEvolution ammo, and it is the best 30-30 ammo that I have ever used. My body count so far is 4 deer and 5 hogs.

I killed this boar at 150 yards with a single LeverEv to the head.