It was empty except for a metal barrel and three folding chairs.

A couple of medium-sized metal barrels, looked like they used to hold barbecue fluid or something.

The first metal barrels were made from brass which was relatively cheap and easy to work.

The blue metal barrel of the rifle looked sinister in the low light.

Suddenly a hand pointed a round metal barrel at him through the doorway!

"That would have worked if I hadn't used metal barrels," he said.

There was a metal barrel in the center for a fire.

The soldier stared in astonishment at the metal barrel still hi his hands.

She froze, her eyes fixed on the black hole at the end of the polished metal barrel.

That was a voice echoing in a metal barrel.