[tanklizard]

Originally Posted by Easy Ed

Looks like two of these http://video.google.com/videoplay?do...89259317807254 mounted together and used by these folks http://www.flicklife.com/cb30c3db1c3...CIAL_UNIT.html

The pictures have JSO_a and JSO_b posted by randik here http://media.militaryphotos.net/photos/radnik

Easy Ed hit the nail on the head. They're a pair of Soviet designed 30mm Automatic Grenade Launchers. Either AGS-17 or AGS-30.

http://world.guns.ru/grenade/gl20-e.htm
http://world.guns.ru/grenade/gl22-e.htm

They're similar to our Mk 19 40mm Automatic Grenade Launcher.

http://www.gdatp.com/products/Gun_Systems/MK19/MK19.htm