In Fallout 3 these are useful only as Rock-It Launcher ammunition, resulting in the decapitation an enemy in a single well-aimed shot. In the Fallout: New Vegas add-on Old World Blues, Muggy can break these down into ten .357 Magnum cases and eight .44 Magnum cases.
- 13 in Fort Constantine's CO quarters.
- 12 in the Anchorage Memorial's service entrance area.
- Nine in Alexandria Arms.
- Six in the Zane house in Minefield.
- One in Vault 101 during Trouble on the Homefront on the floor behind Butch.
- One at the bottom of the pool (near the middle, beside a big rock) in the Spelunkers restaurant in the Little Lamplight caverns.
- In the common house in Big Town next to the radio.