There are several outfitters in PA for hog hunting.
Of late I wait until I can get a solid head shot using Barnes TTSX bullets on a 7-30 waters.
If a clear head shot is not available, a shoulder shot using a large bore caliber. Personally I used a .444 Marlin, .308, 30-06, .357 Maximum.
"The Constitution is not an instrument for government to restrain the people, it is an instrument for the people to restrain the government, lest it come to dominate our lives and interests."
Patrick Henry, American Patriot