As you can see from the above drop figures, there is only a little over three inches difference at 300 yards between the super screamers and the lowly 308. The groups a hunting gun will shoot are seldom going to be that small, so from a practical standpoint there is little to be gained by magnums over standard cartridges in terms of making a hit on game out to 300 yds. Whatever you buy, you should practice with it alot.