en_tn/1sa/17/50.md

He hit the Philistine and killed him

This is a summary statement. The details are that he first used a sling in 1 Samuel 17:48, and then used a sword in 17:51. Some languages do not use summary statements like this. In those situations, translators may restructure the verses as they are in the UDB.

took his sword

Here the word "his" refers to Goliath.