New Revised Standard Version
They were archers, and could shoot arrows and sling stones with either the right hand or the left; they were Benjaminites, Saul’s kindred.

Contemporary English Version
Several of these warriors were from King Saul's own tribe of Benjamin. They were experts at using a bow and arrows, and they could shoot an arrow or sling a stone with either hand.

New American Bible
They were archers who could use either the right or the left hand, both in slinging stones and in shooting arrows with the bow. They were some of Saul’s kinsmen, from Benjamin.

Douay-Rheims Bible
Bending the bow, and using either hand in hurling stones with slings, and shooting arrows: of the brethren of Saul of Benjamin.

Bending the bow, and using either hand in hurling stones with slings, and shooting arrows: of the brethren of Saul of Benjamin.

could use

Judges 3:15 And afterwards they cried to the Lord, who raised them up a saviour, called Aod, the son of Cera, the son of Jemini, who used the left hand as well as the right. And the children of Israel sent presents to Eglon, king of Moab, by him.

Judges 20:16 Who were seven hundred most valiant men, fighting with the left hand as well as with the right: and slinging stones so sure that they could hit even a hair, and not miss by the stone's going on either side.

in hurling

1 Samuel 17:49 And he put his hand into his scrip, and took a stone, and cast it with the sling, and fetching it about, struck the Philistine in the forehead, and he fell on his face upon the earth.