Armies were Composed of Bowmen and Slingers
Source: TTT
1 Chronicles 12:2
they were archers using both the right and left hands to sling stones and shoot arrows; and they were Saul’s kinsmen from Benjamin):
Jeremiah 4:29
Every city flees at the sound of the horseman and archer. They enter the thickets and climb among the rocks. Every city is abandoned; no inhabitant is left.