Brownells Classic Rust Blue
https://www.brownells.com/gunsmith-tools-supplies/metal-prep-coloring/metal-bluing/specialty-bluing-chemicals/classic-rust-blue-prod22820.aspx
If you end up sending it out, I highly recommend ECCO Machine in Colorado. He has rebuilt a 22 silencer for me in the past, and just recently fixed a threading job on a Nagant pistol that a local ODT'er botched nearly beyond repair. The threads had to be cut off, and internally threaded. His...
Haha, no worries. It's not that common of a thing I don't think. Like a fool i had it engraved before I form 1'd it, so the ATF returned my form for corrections and I had to send photos proving what I had. Lesson learned. Form 1 before you make any cosmetic changes.
Thank you! It started as a nodak spud 80% lower. I sent it out for the retro engravings, then SBR'd and milled. This was back before Colt started sending cease and desist letters to people engraving their logos.
They aren't that hard to do as long as you have a drill press and router. You just have to take your time making shallow passes, and use lots of cutting fluid.
This was my first attempt at an 80%, and I'm happy with the results.
Looking for someone who can type III hard coat anodize an ar15 lower in the old Colt gray. US Anodizing is not accepting orders for the time being.
I need it to match this upper.