I love this picture!  I wonder if all those soldiers got a picture taken like this?

Information:

Caliber: 5.8×42 mm (5.56×45 mm NATO)
Action: Gas operated, rotating bolt
Overall length: 760 mm
Barrel length: 520 mm
Weight: 3.4 kg unloaded
Rate of fire: ~ 650 rounds per minute
Magazine capacity: 30 rounds

More info at the wiki page – HERE

and at worldguns.ru – HERE