No, this is not a belated April Fools joke. The Facebook page of the Kalashnikov magazine reports that the pump-action version of the Saiga rifle (the civilian version of the AK) will be presented to the public in June, at the IPSC World Rifle Championship in Moscow. Only one or two rifles, chambered for .223, have been made specifically for the IPSC rifle event.
The rifle will probably never be mass-produced, but you never know – much would depend upon how the public welcomes it. Speaking of which, what do you think about the concept: