The caliber .50 cartridge consists of a cartridge case, primer, propelling charge, and the bullet. The term bullet refers only to the small-arms projectile. There are eight types of ammunition issued for use in the caliber .50 machine gun. The tips of the various rounds are color-coded to indicate their type. The ammunition is linked with the M2 or M9 metallic links for use in the machine gun.
M2 DummyM858 SRTA M860 SRTA M903 SLAP M962 SLAPT GDT
In marksmanship training, against personnel, and light materiel targets.
To aid in observing fire-secondary purposes are for incendiary effect and for signaling.
Against armored aircraft and lightly armored vehicles, concrete shelters, and other bullet-resisting targets.
Incendiary effect-especially against aircraft.
Combined armor-piercing and Incendiary effect.
Combined armor-piercing and incendiary effect, with the additional tracer feature.
For simulated fire (contains no bullet).
For training (completely inert).