4- 1 lb. containers of Improved Military Rifle powder arrived today, i.e. IMR 4320. Order placed one hour ago for: "Woodleigh Bullets 458 Winchester Magnum (458 Diameter) 500 Grain Bonded Weldcore Round Nose Soft Point Box of 50 " and "Hornady Reloading Brass 458 Lott Box of 50 " I had to switch from the brass and bullets I originally intended for certain other considerations. I expect to be beginning by Monday evening with 79 grains and 80 grains. Tuesday, I will attempt to move toward 85.0 grains. We shall see if I get there or stop short. Thanks for reading the thread and thanks for the kind words. I'll finish up with a final post here on Tuesday evening.