1 Chronicles 12:2

armed with bow, right and left handed, with stones, and with arrows, with bows, of the brethren of Saul, of Benjamin.

Judges 3:15

And the sons of Israel cry unto Jehovah, and Jehovah raiseth to them a saviour, Ehud son of Gera, a Benjamite (a man -- shut of his right hand), and the sons of Israel send by his hand a present to Eglon king of Moab;

Judges 20:16

among all this people are seven hundred chosen men, bound of their right hand, each of these slinging with a stone at the hair, and he doth not err.

1 Samuel 17:49

and David putteth forth his hand unto the vessel, and taketh thence a stone, and slingeth, and smiteth the Philistine on his forehead, and the stone sinketh into his forehead, and he falleth on his face to the earth.

1 Chronicles 12:29

And of the sons of Benjamin, brethren of Saul, are three thousand, and hitherto their greater part are keeping the charge of the house of Saul.

Treasury of Scripture Knowledge

Summary

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.

In hurling

Bible References

Could use

Judges 3:15
And the sons of Israel cry unto Jehovah, and Jehovah raiseth to them a saviour, Ehud son of Gera, a Benjamite (a man -- shut of his right hand), and the sons of Israel send by his hand a present to Eglon king of Moab;
Judges 20:16
among all this people are seven hundred chosen men, bound of their right hand, each of these slinging with a stone at the hair, and he doth not err.

In hurling

1 Samuel 17:49
and David putteth forth his hand unto the vessel, and taketh thence a stone, and slingeth, and smiteth the Philistine on his forehead, and the stone sinketh into his forehead, and he falleth on his face to the earth.