I'm currently working on a new rifle and just used Birchwood Casey Plum Brown on my metal parts(but not the barrel yet). I've browned a few guns before which came out great, but first time with this product. I wanted to try a few small parts first. I cleaned them with denatured alcohol, heated them in the oven then applied the plum brown. I re-heated 2 more times and hit them with the plumb brown. After they cooled I rinsed with water and dried them, buffed lightly with 4x steel wool, and gave them a coat of gun oil and let them sit over night on a rag. They looked really good at this point, but over night they seemed to rust some more and there is a thin layer of rust I can wipe off with my finger. Is this common? Will this rusting stop if I keep buffing with steel wool? Any advise is appreciated before I hit the barrel.
Work is for people who don't hunt!!