Originally Posted by one crazy kid
so in theory there is no difference between a 300 win and a 7mm rem if you do your research and select the right bullet powder combo?
These days there is little difference between the 7mm and 30cal bullets in terms of their BCs. Because the higher BC bullets are heavier, the key is to choose a cartridge that can provide you with sufficient velocity to take launch those heavy heavy bullets.
roninflag is right, you need to reload.