This came up in the Wild boar section, and I think the 30 30 is an adaquate round for wild boar. I am witness to two boars falling with neck shots a month ago with 30 30 powerpoints. one was over 500lbs and the other was pushing 400 lbs. Granted they were neck shots, but I think a penetrating bullet behind the shoulder would be just fine. I like neck shots on pigs.
Cheers,
willis5