[They were] armed with bows, and could
use both the right hand and the left in [hurling] stones and [shooting]
arrows out of a bow, [even] of Saul’s brethren of Benjamin.
BSB
they were archers using both the right and left hands to sling stones and shoot arrows; and they were Saul’s kinsmen from Benjamin):
WEB
They were armed with bows, and could use both the right hand and the left in slinging stones and in shooting arrows from the bow: they were of Saul’s brothers of Benjamin.
YLT
armed with bow, right and left handed, with stones, and with arrows, with bows, of the brethren of Saul, of Benjamin.