Originally Posted by Highland
Anyone tried H-1000 in a 300 H&H with 180 grain bullets?
Data is a little sparse!
The 300 HnH, is a great cartridge, and has a long founded history, but H1000 is TOO slow, even with a compressed load. Probably the best overall powder for the 300 HH, would be IMR 4350, RL19, and maybe even RL17.