Some of the G11, SL8 and UMP prototypes. Notice the cutaway version of the SL8 and the various designs of the G11 from a shorter length to a rifle sized version. Technology so ahead of its time that even today we don’t know where caseless ammunition will proceed. It was also optically equipped, something that Western militaries consider as a standard in the 21st century but the G11 was almost thirty years ago when it was being tested.