I built a 50 cal hawkins from a kit when I was in high school.
I bought a bluing kit from a gun shop, it was a lot of work and the results were poor at best. What I would recomend is to prep the barrel and get it ready for blueing then take it to a reputable gunsmith for the bluing process.
Another option is traditional "browning" and I understand that this is a much easier process for the do-it yourselfer???
I made my flinter from the same kit that you are considering. They sure do make a fine rifle. Bluing is a little bit more tricky than browning a barrel. First you have to degreese your barrel repeatedly. I used dish soap and hot water, over and over. When I thought it was done, I cleaned it one more time. Then I used a cold bluing kit and submerged the barrel. It turned out quit well.
We all spend our time at the range, making sure our rifle is shooting just right. We get it dialed in, and then we head to the woods, ready to shoot our animal. Well, what happens if the animal comes out where you do not expect it? Will you be able to make the shot?
This scenario has happened to me. My first deer I ever shot, I had to shoot left handed. I had never practiced that way, and paid for it by having my nose broken with the scope. If I had just...