My 2 cents. With a head count exceeding 3000 hogs [not typo], last 18 years interdicting hogs to and from cattle feed lots has allowed a tremendous amount of research in caliber effectiveness. Started with AR10 308 and 260. If heart or lung shot pigs would run 40'-next pasture, with shoot thru's which i have to be careful due the abundance of livestock. Switched to 7.62x39 with 123 sst with better DRT, but still not satisfied with Russian or any other surplus loads in that caliber. Started 6.8 15yrs ago with 110Vmax with 90% DRT out to 400yds, running D740 gen3 and ATN Thermal on 18" and 20" AR's. No shoot thru's unless small footballs, then not a whole lot left to identify. 110 penetrates 3-7" then explodes. Killed Excess 500 over 250 lbs with that load and probably same amount over 300lbs. Now remember these hogs have unlimited caloric source [feedlot], they get huge real fast. Multiple pigs over 600lbs too. 6.8spc has never let us down or hit any shoot thru's.