I was raised in N. FL and grew up hunting in hog country. The woods and swamps here were loaded with them. I also used to shoot them with a .22LR RF in the head. Solids worked very well, HP not as well. One particular time my son shot one in St. Marks NWR in the head, we found some blood but no hog. It was a big hog and I think it flattened out without penetration. So yes a .22RF will kill a hog, I would recommend using solids.
It is surprising what you can do when you don't know you can't.
Last edited by AJD; 02/05/10. Reason: added line