I drew an antalope this year this will be fun to hunt for the big game. I like to hunt antalope more than deer be bause I will see the games (antalope) and try to sneak ose to bag them. I did know which rifle caliber I will take to shoot at 300 yards plus, .22-250, .270 W.M.,.300 Win Mag or .30-378 W.M. any sugestion?