5mm Round (Fallout 3)

The 5mm round is a Big Gun-only ammunition in Fallout 3.

Characteristics
5mm is traditionally belt-fed, and available in rather high quantities, something made necessary by the large "magazine" sizes on the weapons that chamber it, for example, the minigun loads 240 rounds at once and fires at a rapid rate, meaning that large amounts of ammunition are required if one desires to keep using the weapon in combat situations.

Used in

 * Minigun
 * Eugene

Locations

 * Often carried by super mutants, especially brutes and masters.
 * Members of the Brotherhood of Steel tend to carry miniguns along with a small quantity of 5mm ammo.
 * Lucky Harith carries this ammunition (up to 1000 rounds) when fully invested in.
 * Found in abundance throughout the Pitt.