rcathey's post looks like he ran in to the same issue his first go at it. I'm awfully surprised there isn't more out there. 1 billion posts and articles about nuance tricks for cold bluing with a myriad of different products. I might have to do a lesson's learned recap how to when I'm all done.
I'll see how the butt plate turns out today before starting over on the other parts. I have one of those super nice soft carding wheels from brownells on the way since last week - the light mottles on my parts may just buff out with something a bit more aggressive than just steel wool. https://www.brownells.com/gunsmith-t...-prod6762.aspx