1 Samuel 17:40
He took his staff in his hand and chose for himself five smooth stones from the brook and put them in the pouch in his shepherd's bag. He approached the Philistine with his sling in his hand.
Out of all these soldiers, 700 of them were left-handed and each one could sling a stone at a hair and never miss.
2 Kings 3:25
They destroyed their cities, and all of them threw stones onto every piece of farm land, ruining the fields. Then they filled in all the water wells and chopped down all of the useful trees. Stone walls remained surrounding Kir-hareseth only, until the archers surrounded and attacked that city.
1 Chronicles 12:2
Equipped as archers, they could use both their right and left hands to shoot arrows and hurl stones. As descendants of Benjamin, they were Saul's relatives.
2 Chronicles 26:14
In addition, Uzziah equipped the entire army with shields, spears, helmets, body armor, bows, and stones for use in slings.
Arrows won't make him flee; stones from a sling are only pebbles to him.
The LORD of the Heavenly Armies will defend them; they will devour and conquer those who sling stones. They will drink and be boisterous like those who are drunk. They will be filled to the brim with blood, like the corners of the altar.
1 Samuel 25:29
If anyone should arise to pursue you and seek your life, may the life of your majesty be bound up with the LORD your God in a bundle of the living, and may he sling out the lives of your enemies from the pocket of a sling.
Tying a stone to a sling that's what giving honor to a fool is.
For this is what the LORD says: "I'm going to throw out the inhabitants of the land at this time, and I'll bring distress on them so they'll experience it."