Interesting weapon and once all the bugs are worked out, could be very effective for certain types of close combat situation. Things along the line of entering or controling a building with sniper fire or insurgents holed up. Could also see it for limited high esculation situations at check points such as some boyd running a barricade towards a secure area.
With the frag rounds into the compartment of a car bomber that run through a check-point, this may the ticket to stop them quick in their tracks before that penetrate to far into buffer zone.
Will be interesting to see if this every makes it in to the arsenal of the military for QRF or other special force types.
Sorta of look like an updated version of the types that were used in Rodesia (sp) back in the war days before it became Zimbabwai (sp).
Like the fragmentation round more than anything else and could see that being developed as a standard special round for SWAT as well as SF using basic mil spec shotguns.