Is that a cleaning jag on the end that can be unscrewed to remove?
The extra inch of ramrod doesn't matter since it doesn't interfere with firing it.
Some expensive guns are like that too, but most are not.
If you can't clean up the barrel, it can be re-rifled for about $100, or a new barrel can be fitted. That is if you can't find one used.
It can also be turned into a smooth rifle like mine.