HMG-38 heavy machine gun

The Heavy Machine Gun-38 (HMG-38) is an automatic weapon that was formerly used by the UNSC Marine Corps. As of 2525 these weapons were obsolete, though they were popular on the black market. HMG-38s were commonly used by the Eridanus cell of the Insurrectionists.

Trivia
Though the weapon's name indicates that it is a heavy machine gun, its appearance and usage suggest that it is actually a submachine gun or an assault rifle.

List of appearances

 * Halo: The Fall of Reach
 * Halo: Fall of Reach
 * Boot Camp