The steps shown in this video can be similarly applied to all the Saiga Kalashnikov weapons. This video features a Saiga 7.62x39. Converting involves replacing the fire control group while moving it forward to it's originally intended location and installing a pistol grip and new stock.
There is no sound on this video so turn your iTunes back up and you've got your own personal soundtrack.
No one involved with this video is liable for anything having to do with your weapon.