Bud of mine dropped one at 17 paces with 20 gauge and 6 shot squirrel hunting one morning couple seasons ago. 80 lb boar running straight at him. I've killed dozens with 308 , 35 Remington and bow . I stalk them on the ground every year and a lot of the shots are 10 yards. Biggest boar I have killed was this past season estimated 250 plus. Have been trying to kill a bigger one that I see every season that could be 350 plus but He doesn't give anyone a shot, always in the thickets and always running. Have to be careful not to shoot bears where I hunt , can't just shoot at big black animals then ground check what you killed.