Man I slay em with the .223 all the time. I wouldn't have a problem at all with the 22 hornet other than the availability and price of the ammo. Ive killed a crap load with a .22 rim fire and recently purchased a marlin ss bb .22 mag bolt gun for hogs. I like the very light rim fires while fishing in the spring around ponds. I throw them over my shoulder, and if a target jumps out, it may get shot. I aim for the ear area and high on the shoulder where it meets the spine is a real hog dropper. Just saw your write up, good luck.
Sometimes you just have to hold back. The odds are stacked against me and him. Then you see him in mid Febuary with full head gear and the glory hits you. Next season will be wanted even more.