i use steves reloading page quit a bit do a serch on it for reloading spec...........i only use hornady xtp bullets for deer hunting........i also use 4227 imr powder......there is faster powders but i have used imr 4227 in alot of things for lots of years and do see a need to change....all the deer i killed couldnt tell me how fast the bullet was going........lol........i use the 200 gr. xtp in my 445 super mag...not because i wanted to use the 200 gr. because the rifle did........havent had one move yet after being shot......hope this helps ...jb