Zastava-produced Yugoslav M59/66 SKS variant featuring a grenade launcher attachment on the muzzle and a grenade launcher sight. The M59/66 is the most feature-rich SKS variant produced. Type: Rifle Action: Semi-Automatic Caliber: 7.62x39mm Capacity: 10 Year introduced: 1959, Yugoslavia Weight: 107 oz Overall length: 44.3" Status: Discontinued Military use: Yes Intended use: Service Rifle, Grenade Launcher