Thanks, HoH.
I believe the configuration illustrated in your picture is the "Cavalry carbine". I have several '09 "Cavalry carbines".
DWM
DGFM
My new one is referred to as an "Engineer's carbine" or "Mountain carbine".
---------- Post added at 10:48 AM ---------- Previous post was at 10:46 AM ----------
Thanks, Anzac.
It is mainly my long-suffering wife who seeks a cure for my milsurpitis.