Any 7 Mag pill will take em out from just behind the shoulder and forward. The real long range shoots are not common unless he is going somewhere where they are set up for it, I 've taken them out to 300 with my Grendel and 700 with the 257 Bee.
If he wants the ultimate experience, hunt em out of a helicopter, I can think of only one thing that is more fun.
Ilse Helicopter Service, El Campo Texas, he has contract with the Rice Co-Op and the rice is flowering this month and the hogs just love it. I took 73 in about 1.5 hours year before last on July the 15th