A sling is a type of weapon which involves swinging a rock round to gain speed before throwing it. The sling is an ancient weapon which was used in the Roman Empire. A skillful slinger can hit a target 10x10 cm at 20 metres distance. A sling has operational range for some 200 metres.

The most famous user of sling was David, the future king of Israel, who killed Goliath by slinging a stone on his forehead.