I've got an old heavy barreled 110fp in 30-06 that I bought back in '08. I've been kicking around the idea of swapping out the barrel. I've never done it and I don't know what the process looks like. I also don't know who all makes a good replacement barrel. If I go through with this, I'd like it to get into the range of silly accurate, like sub 1/2" at 100 yards. Beyond that I don't think I care much. Any suggestions?