I was wondering if Miha had made a 640 style hp mold for the S&W 500 magnum? I have these 640 style hp molds in 357, 44, and 477, and really like the design. I think it would be great for my John Ross 500, I could cast it soft and reduce the speed and still have plenty of power for whitetail. I would hope it would weight 420-450 gr with large hp pins installed. So, any idea if this design was offered? Thanks, John.