SKS Yugoslavian M59/66.

It was made in the Zastava factory in Yugoslavia.
It comes with a 22mm gernade launcher on the barrel, flip up night sights, and a 11.5 inch bayonet.
It is pictured with a 10rd. magazine.
The Yugoslavian sks is one of the more rare varients of the sks, and is said to have the same qaulity as the Russian sks.

Picture from Jonathan Webb