the reloading world is about as broad as the gun world , everything has its likes an dislikes, do's and donts, so becareful , with rifle loading it needs to be watched so something dont happen , best advise would be hang here ask questions, and stay in the reloading books , most of the companies give the books out free where the powder is sold, reading is a great help to reloading, so just play careful and have fun , all the 243 i have had like imr owder, and i was impressde with the varget , i used it wit hthe 55 gr and hornady 58 gr for piggin, those ballistic tips in a 243 say bad things for ohio groundhogs ,