But start with a handloading manual. Those two loads can, but shouldn't, be the same. All competition loads need to be worked up for each individual rifle. All defense loads need reliability, (in YOUR gun) as a first priority.
Your questions are too broad. The book will tell you all you need to get started, and more.
You don't see things as they are, you see things as you are. ~Nietzsche
I am the signature virus, please put me in your signature so I can spread Quis custodiet ipsos custodes "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety