A spent .25 caliber round was found near Alexander's body.

The first day of testing involved eight live cattle; seven were shot through the lungs using different caliber rounds, and the effects recorded.

Winchester made the .50 caliber round have similar performance.

The small caliber rounds are perfect for killing animals like birds and rats.

From 21 to 26 February 1916, the fort is bombarded with shells of all sizes including 129 large caliber rounds.

The "tiny" .256 caliber round was perceived to be the deadliest of them all.

The night before the attack, Newman's father had given him a collection of ammunition which included three live .38 caliber rounds.

The weapon provided him with a variety of destructive options, from large caliber rounds, full auto-fire to explosive charges.

"All I heard was a snap, the sound the high caliber rounds make when they fly past you," the lieutenant said.

He shifted the hammer so that it rested over one of the thirty-six caliber rounds.