It looks like the safety still works with the rifle trigger. The set trigger still works also. I emailed Kreighoff and got this response back.
Thank you for the inquiry. This is truly a very interesting gun. Unfortunately all the factory records before 1945 where lost at the end of WW2, so I cannot research the serial number in an archive. Where are you located? We would be interested to examine the gun here in our shop in Ottsville. This is the first time we seen a try stock on a drilling, so we have no comparison to a verified factory example.
