'Sling' in the Bible

There were 700 choice men who were left-handed among all these people; all could sling a stone at a hair and not miss.

And he took his staff in his hand, and chose him five smooth stones out of the brook, and put them in a shepherd's bag which he had, even in a scrip; and his sling was in his hand: and he drew near to the Philistine.

So David prevailed over the Philistine with a sling and with a stone, and smote the Philistine, and slew him; but there was no sword in the hand of David.

Yet a man is risen to pursue thee, and to seek thy soul: but the soul of my lord shall be bound in the bundle of life with the LORD thy God; and the souls of thine enemies, them shall he sling out, as out of the middle of a sling.

They were archers who could use either the right or left hand, both to sling stones and shoot arrows from a bow. They were Saul’s relatives from Benjamin:

Moreover, Uzziah prepared shields, spears, helmets, body armor, bows, and sling stones for the entire army.

Arrows won't make him flee; stones from a sling are only pebbles to him.

As he that bindeth a stone in a sling, so is he that giveth honour to a fool.

wind you up into a ball, and sling you into a wide land. There you will die, and there your glorious chariots will be—a disgrace to the house of your lord.

For thus saith the LORD, Behold, I will sling out the inhabitants of the land at this once, and will distress them, that they may find it so.