1 Chronicles 12:2

Christian Standard Bible Anglicised

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:

Cross References

Judges 20:16

There were seven hundred fit young men who were left-handed among all these troops; all could sling a stone at a hair and not miss.

Judges 3:15

Then the Israelites cried out to the Lord, and he raised up Ehud son of Gera, a left-handed  Benjaminite,  as a deliverer for them. The Israelites sent him with the tribute  for King Eglon of Moab.

1 Chronicles 12:29

From the Benjaminites, the relatives of Saul:  3,000 (up to that time the majority of the Benjaminites maintained their allegiance to the house of Saul).

1 Samuel 17:49

David put his hand in the bag, took out a stone, slung it, and hit the Philistine on his forehead. The stone sank into his forehead, and he fell face down to the ground.

1 Chronicles 12:3

Their chief was Ahiezer son of Shemaah the Gibeathite. Then there was his brother Joash; Jeziel and Pelet sons of Azmaveth; Beracah, Jehu the Anathothite;

1 Chronicles 8:40

Ulam’s sons were valiant warriors and archers.  They had many sons and grandsons #– #150 of them. All these were among Benjamin’s sons.