Hey there Sundogg,
As to the question of leading in your handgun, there are books full of reason/ideas why leading will/will not occur. Some of them even bassed on fact.
If you are doing things correctly as far as size etc. and if you firearm is OK in the different dementions and quality, then it will be to some degree a try it and see situation.
Personally I find leading to be of small concern. There was a time however, when my son and I were both shooting SBH .44s and while I could shoot a steady diet of heavy plain base loads with little sign of leading through mine, the son needed to feed his gun gas checked slugs.
On my Security six, I shoot mostly low vel. loads. However, if the urge strikes me to shoot some heavy mag loads w/plain base slugs I do it and don't worry about it. I don't even have a GC mold for the 38/357.
I also cast almost entirely with WW which I quench directly from the mold.
I find that adding the lino prevents the "normal" amount of shrinkage and makes it hard to seat gas checks.
Veral set up my LBT - 310gr.GC mold to cast with WW. If you are shooting another mix he wants to know it before he cuts the mold so he can allow for the rate of shrinkage.
Keep em coming! :wink: