Serial no. F-178904. Manufactured in 1969 at the Zastava factory in Yugoslavia, chambered in 7.62x39mm, 24″ overall barrel/launcher assembly. Bore is bright and shiny with strong, well-defined rifling noted. Serial numbers are matching throughout. Rifle remains in overall very good condition with minimal handling and storage wear noted. The M59/66 is readily distinguished from other SKS variants by its integral 22mm rifle-grenade launcher, grenade-launching sight, and gas shutoff system, features developed specifically for Yugoslav military requirements.. Action is smooth and functions correctly.