stan: if you wish to discuss shotgun receiver recoloring methodologies, then do start a thread on the subject...however, it is doubtful that anything new could be added to what has already been stated in other threads on this fine forum...

cept, a quick google search did reveal this:

https://steelfxpatinas.com/shop/color-case-hardening-patina-kit/

Last edited by ed good; 12/01/17 12:21 AM.

keep it simple and keep it safe...