Other than the one sitting on my desk at the moment?
Yes.
http://www.guncollectorsclub.com/browning.htm
Also, here’s the DB-type transfer bar and rear slide frame from the Gunblast review of the DB9. It’s identical to the DB380’s. You can see the problem beginning as the wear sets in, just like the DB380: http://www.gunblast.com/images/Diamondback-DB9/DSC00168.JPG
More info on the problem: http://www.youtube.com/watch?v=SkGcYcYaPcM