Assault rifle

An Assault Rifle is a automatic firearm using a projectile with muzzle energies in between those of a full sized rifle and a pistol. Assault rifles are categorized inbetween light machine guns, intended more for sustained automatic fire in a support role, and submachine guns, which fire a pistol cartridge rather than a rifle cartridge.

These could refer to the following:


 * MA2B Assault Rifle- The stripped-down version of the MA5B Assault Rifle.
 * MA3 Assault Rifle- The older variant of the MA5B Assault Rifle.
 * MA5 Series
 * MA5B Individual Combat Weapon System- The standard UNSC armament in from the early-2500's to 2552. It was phased out shortly after the Battle of Reach and the Battle of Installation 04. (Halo 1)
 * MA5C Individual Combat Weapon System- A new MA5 model introduced in late-2552 during the Second Battle of Earth and the Battle of Installation 00. (Halo 3)
 * MA5K Carbine- The cut-down version of the MA5B Assault Rifle utilized by the SPARTAN-IIIs and other Special Operation forces.