A tiny bit of research and one can find manufacturer's data and nearly all reloaders with any experience/knowledge will start with lead bullet data...
Unless this post is "jes pullin' our leg"...
I've shared it before but I'll repeat it for maybe a newer reloader's info; My Rule #1: I pay very little (no) attention to any load data I see on any forum, pet loads website, or magazine article, hear from any range rat, gun counter clerk, good intended friend, or gun shop guru. For over 40 years I have gotten my load data from published reloading manuals (with a few lately from powder manufacturer's web sites). Normally I use the manuals for starting loads, load some and log them and all further loads with a note about max listed load. With my method I have worked up probably hundreds of load combinations, safely, without the need to ask anyone...
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