After hunting hogs for a while, for me a 300 WM has too much recoil for a quick follow up shot and with hogs you will get a lot.
I set up a 7mm RM and it was even a bit too stout unless I downloaded it.

IMO about the perfect hog caliber is a 338 Federal and loaded with Barnes bullets. Big bullet little recoil and just drops hogs in their tracks.