The brass casings dropped onto the deck, and hundreds lay at his feet when a hand touched his shoulder.

Feeling slightly numb, I noticed a brass casing at my feet.

The shiny brass casing had something scratched on it.

The brass casing was a ring surrounding a round silver primer.

He compared the marks and impressions a gun leaves on the brass casing.

I could see the brass casing in position.

The dent sets off the charge, which is gunpowder inside the brass casing.

The eight holes on either side of the center had been ripped clean, brass casings and all.

He took down his shotgun, broke it, and the hall light gleamed dully on brass casings.

The empty brass casings in his pocket he tossed around the room after wiping them.