>>2836113Ya their skulls aren't "thicker", just "thick".
If a boar is staring straight at you their forehead will be at about a 30° slope. So even something like a 9mm has a high probability of glancing off.
>>2836141.308 is a good choice but the AR platform thumper rounds have become popular. .450 Bushmaster, .458 SOCOM, .50 Beowulf- they all have ballistics extremely similar to .45-70 but being in a semi-auto is very beneficial.
The thumper rounds also dump all that energy into the target instead of overpenetrating but the range is dismal and they drop like mad after 150 yards.