HK could take a trip into a chapter 11 type re-org bankruptcy and the product lines are certainly valuable enough to survive in a re-organized company, perhaps with yet another change in ownership. I've lost count of how many of those ownership structure changes at HK have transpired since the end of the cold war.
They never have reached their true sales potential because of head up the ass management when it comes to their past sales policies and philosophy, especially in the U.S. market, and the attitudes of their home country government have been quite harmful for global LE/Mil sales.
Being an armorer type, I rarely send a gun back to the factory unless it is something I know I cannot or should not repair or change myself. I am buying HK spare parts for normal repairs, not to have a lifetime supply if they go broke in this cycle.