I am ready to recommend...
...You may find, as you progress through the stages of your development, that an electric lead pot is in the not too distant future.
Easier to know how hot your lead is getting. This is not so terribly important in cap and ball revolvers although it is a consideration if you mold throws balls which are not overlarge.
Of course, this lets you cast inside and what that means is that it gets a lot more hazardous from a lead standpoint. Maintain good ventilation.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson