5mm round

The 5mm round is an ammunition type found in Fallout, Fallout 2, Fallout 3, Van Buren, Fallout: New Vegas, Fallout 4, and Fallout 76. It is used by various weapons, such as miniguns and assault rifles.

Background
A high velocity round designed for assault rifles, the intermediate 5mm M134 cartridge has been replaced by the more powerful 5.56mm round in assault rifles. However, it found a new life as linked, belt fed ammunition for man-portable miniguns on the battlefield, specifically the M134 cartridge and is stored in downscaled ammo boxes designed for the 7.62x51mm NATO cartridge in Fallout 4 and Fallout 76. 

5mm round


Ammunition. Caliber: 5mm.

5mm round, armor piercing


Ammunition. Caliber: 5mm, armor piercing.

5mm round JHP


Ammunition. Caliber: 5mm, jacketed hollow point.

5mm round, hollow point


Ammunition. Caliber: 5mm, hollow point.

5mm round, surplus


Ammunition. Caliber: 5mm, surplus.

5mm, JSP (hand load)


Ammunition. Caliber: 5mm, jacketed soft point.