2 they were armed with bows and were able to shoot arrows or to sling stones right-handed or left-handed; they were relatives of Saul from the tribe of Benjamin):

Read 1 Chronicles 12:2 Using Other Translations

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.
They were bowmen and could shoot arrows and sling stones with either the right or the left hand; they were Benjaminites, Saul's kinsmen.
All of them were expert archers, and they could shoot arrows or sling stones with their left hand as well as their right. They were all relatives of Saul from the tribe of Benjamin.