I've built several, but have to agree with Weasel-UT about the Lyman kit. It's one of the nicest I've ever done. Mine was also a 54 and had a slow twist round ball barrel. You can get them now with a fast twist barrel for conicals.
As far as finish is concerned look in Brownell's tech section of their web site. They have several good articles on stock finishing. If you want blue instead of brown I recommend Brownell's Oxpho blue. They also have several good browning chemicals if you prefer a more traditional finish.
