http://www.federalpremium.com/products/rifle.aspx
Find your load on this site, then click "Get Details." The ballistics will be listed in different charts showing velocity, energy, wind drift, "regular" and "long range" drop charts. Your actual results will have some variation.
If all you can practice at is 100yds, you probably aren't going to be terribly successful trying to take advantage of the 400+ yd figures. I would sight 2-3" high at 100yds and call er good to 300yds on whatever it is you're chasing.
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