http://www.youtube.com/watch?v=E92CLD5VXKgThe video has it all.20mm shoulder fired cannon and its available for civilian use. Wouldn't mind getting me one of those, and you could probably pick things off from well over a mile away.
I forget the name of it but a few years ago there was a new shoulder fired 20mm combat rifle that was very cool. It worked sort of like a recoilless and fired smart HE rounds that would frag on command. Enemy 50 yds away hiding behind a 10ft wall? Set the range and the rounds would explode like puffy ack right on top of them. You could clear a room with just a few rounds thru a window or door with no visual on the nme.
XM25 I think but it was a 25mm round.
I remember the show, I think it Richard " Mack" Machowicz's show. I thought it had a 40mm smart grenade, auto-loading belt fed with the above mentioned options.
what RPG are you talking about, there are many variants of launcher starting with rpg like, 7, 18,16,22,26,27,28,29,30,32