I used Brownel’s Oxpho blue. I dipped a Q Tip in the bluing and then dipped part of the Q-tip in water to help the bluing flow. I rubbed the Q-tip back and forth in the same spot till brighter bluing appeared in spots. I have to do my 1873 SxS 10 gauge receiver like that one of these days.
Here’s the YouTube video link I watched to learn how to do it...
https://youtu.be/pMz91TjaBXw
That’s the brass I am looking for! Just don’t want to buy 50. I was hoping for 10, 1, or maybe 20 at max. I’d like to get my hands on 2 or 3 just to experiment with them first to see if the rifle is accurate and will actually shoot. Does anyone here a have a couple I could buy or trade for?