I also have a .375 H&H mag pre-64 So I might make some bullets in that caliber. Have you ever used the Woodleigh bulets ? I shoot then in my 375 they are 235 grn. I have also loaded some rhino solid shank 270 grn. but not hunted with them.
My favorite big bore is my .500 Jeffery
Cheers,
André
-------------------- Always always use enough ... GUN