M16A4 Plasma Rifle

M16A4 used by the Sangheili Marines

M16A4 Plasma Rifle


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M16A4 Plasma Rifle

Sangheili Marine Corps

First Model

Assault Rifle



Medium Damage







Muzzle Velocity 3110 ft/s (948 m/s)

Highly Accurate

800 Meters

Used throughout the Keros: Campaign



Sangheili Marines


The M16A4 Plasma Rifle, now standard issue for front-line Sangheili Marine Corps, replaces the combination fixed carry handle/rear iron sight with a MIL-STD-1913 Picatinny rail, allowing for the rifle to be equipped with a carry handle and/or most military and consumer scopes or sighting systems. Military issue rifles are also equipped with a Knight's Armament Company M5 RAS handguard, allowing vertical grips, lasers, tactical lights, and other accessories to be attached, coining the designation M16A4 MWS (or Modular Weapon System) in Sangheili Marine field manuals.