Quote Originally Posted by Tacgunner View Post
I hadn't thought of doing that! Will have to dig it outta the parts pile and give it a whirl. Thanks for the hint!
No problem! This is one of those super valuable oldschool tricks that being lost to time. Works on all steels as far as i know.

This is also how traditional firearm blueing is done. Rust, boil, card(buff), repeat as desired. Finish with linseed oil or something similar.