You cannot form .303 Savage brass using .30-30 brass. Too different.
New brass and loaded ammo is again available for the .303 Savage.
Try Graf and Sons, they have primed brass in stock.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.