If you look in the front of the Hornady manual, you will see the bullets rated by recommended velocity ranges. You can use that as a guide when choosing your bullets.
Also, when choosing a bullet, realize that s pointed bullet of a given weight will be longer than a flat-nosed or round-nosed bullet of the same length, so shoot lighter bullets in order to make sure they are stabilized. You will gain velocity in doing so, and that can only help in the case of a 30-30.