What cartridge are you using?
How big are the wild boars you are hunting?
It's tough to beat a PT or the AB. Both will hold together and give you plenty of penetration.
JD338
The 375 H&H Mag is not thought of as a long range cartridge.
My Nosler M21 375 has a Leupold VX-5HD 2-10x42mm and I've shot it at 400 and 600 yards.
I got a first shot hit on the 600 yard gong, nearly hitting dead center@3:00. That really made me smile. (The hit at 10:30 is from my 338 RUM).
JD338