18 After he had finished sacrificing the burnt offerings and fellowship offerings, he blessed the people in the name of the LORD Almighty.

Read 2 Samuel 6:18 Using Other Translations

And as soon as David had made an end of offering burnt offerings and peace offerings, he blessed the people in the name of the LORD of hosts.
And when David had finished offering the burnt offerings and the peace offerings, he blessed the people in the name of the LORD of hosts
When he had finished his sacrifices, David blessed the people in the name of the LORD of Heaven’s Armies.