Thread: Worth re-bluing a .22 barrel?

No "touch up" or "cold blue" will be anywhere near as effective as the proper thing. And certainly not "as new"

Are you wanting to "near-new" it yourself, or looking to pay someone? The cost of paying someone else could very quickly exceed the value of the piece.
If you're reasonably handy, firearms are fairly simple tools, and as a species we have developed a good understanding of metal and wood over the last couple of years...