left250, the Swedes rebarreled their rifles regularly. They kept track of barrel wear quite faithfully. They liked their rifles to be accurate and took great care to make and keep them that way.
The quality of workmanship, over 100 years ago was at times, very enlightening, as was their quality control. Today, with CNC equipment and investment casting and extrusion processes, it's hard to imagine what they went through to keep up such high standards. They did it though. Not just the Swedes either. Many milsurps from the turn of the century or before are extremely well made, considering how much labor went into them and how many different people it took to do each item.