5.56 round

The 5.56 round is an ammunition type in Fallout 4.

Weapons that use this ammunition

 * Assault rifle
 * December's Child

Locations

 * Any enemy that uses an assault rifle (typically super mutants and Gunners) will have 5.56 rounds on their bodies.
 * A handful of 5.56 rounds are commonly found in the inventory of destroyed automated turrets.
 * 5.56 rounds can typically be found in the inventory of weapon dealers.
 * They can also be manufactured using an ammunition plant.