I seldom buy used long guns. Unless there Pre Winchester or dandy look'in Savage levers. Each rifle has its quirks to check for. Inspection before~~ my money slips into the other fellers hand. "If you don't know what that particular models troubles were? My advice is do-not buy it.
A particular model's troubles should be fairly easy to learn about online. The specific example of one being considered for purchase is something else.