k260
Silver $$ Contributor
I don't think it started life as a 10-22 barrel. The bluing appears to be a factory job and doesn't look like it's been hacked on.I believe your barrel started life as a 10-22 barrel then it was chucked up in a mill by someone with a lot of time and nothing to do. That person then made random cuts with random tools which destroyed the barrel. If the barrel actually fit a firearm, by this time someone would have recognized it and posted that information.