Get your self a reloading book like this
Reloading can be very dangerous if you don't know what your. If u don't use the right powder or grain of powder if you head spacing is wrong your bullet seating depth is wrong u can be holding a grenard in your hand. I have this book and it tell u the whys and the how's of reloading,also if u can go talk with somebody at a reloading store or someone who sells supply's..