Normally this would be in the Refinishing area.
I've used gunkote and alumacoat. The key is preparation and follow instructions carefully.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)