Wasn't an Ak-47. It was an AKSU-74.
7.62, 5.56 its all the same to our esteemed media types.
Looks like the Spetsnaz version of the AKSU-74.
Might be an AK-74M. I don't think it's the "shorty", because the barrel is much longer than the grenade launcher.
Look here:
http://izhmash.udm.ru/ak74m.html