I am in the Crossville areaLocation would help but I got someone in the southeast that can help you.
Ditto on Southern Cerakote.Southern Cerakote in Henderson (west, TN). Also look at Tarjac in NY. They do good work at a good price if you do not mind shipping your parts.
He does mine too.Daniel Green at highland hardware in cookeville does it if you're looking for a local guy.