I want to load some 180 gr & 200 gr. bullets in my .35 Whelen for whitetail hunting, specifically I am considering the 180 gr. Speer Flat Point, Hornady 200 gr. Spitzer FTX and Hornady 200 gr. RN Interlock. Powders I have on hand are IMR 4064, IMR 4350, RL-15 and Varget. Can anyone share their experiences with these bullets on whtetails, load info regarding favored combinations also sought.