S W HEAVY PISTOL 357 Mag

[pdman]

HEY all...has anyone tried or has data for Shooters World Heavy Pistol Powder .357 mag with bullets heavier than 158 grains..?
Their data stops at 158gr...
Thanks...
Pete

[Bigbore5]

I have been using Accurate #9 starting data for heavier bullets less one grain to start. Working up slow.