From the little I`ve seen, moose are not hard to kill, they just don`t know they`re dead when you shoot them.
I saw a big bull hit 5Xs with 180grs from a 308 @ ~100/150 yd, all in the ribs, and walk -not run- about 75 yds from the point he was 1st hit while my buddy kept shooting. He finally sat there on his haunches like a big dog, bawling a time or 2, then finally rolled over. All the while my buddy was trying fumble another shell in the gun, and figure out what to do next.
I don`t think a 458 would have made any difference in how fast he dropped.
BTW these were factory Cor-Locts, none exited.
