Definitely not the same thing but I cerakoted a DGFM for a member years ago. Came out pretty slick. I think alot have went to cerakote. Parkerizing is definitely more original looking and feeling.
Duracoat sells solution and equipment for such.
If it’s done correctly, bead blasting isn’t going to harm any of the frame markings. Good luck with doing it yourself, it sounds like you’ve got some experience with it. I’d love to see how it comes out when you’re done. It’s really satisfying to see them come out of the tank.
