M199 heavy machine gun

The M199 heavy machine gun is a 7.62x51mm heavy machine gun used by the United Nations Space Command. The weapon is the primary weapon system aboard the AV-49 Wasp, supplementing the aircraft's secondary 50mm M400 missile launchers. They are mounted on either side of the craft's cockpit with limited vertical rotation, allowing the pilot to aim them up or down - though lacking any kind of horizontal rotation.

The M199's standard munitions are 7.62x51mm rounds, though specialised variants of the Wasp in Office of Naval Intelligence instead employ High Explosive Dual Purpose ammunition (HEDP) variants of the 7.62 calibre. The AV-49H Wasp, an experimental testbed developed by Hannibal Weapon Systems, replaces the machine guns entirely with experimental gauss repeaters. These weapons appear to use the same external housing as the M199, suggesting they are derived from this system.

List of appearances

 * Halo 5: Guardians
 * Warzone Firefight
 * Halo: Official Spartan Field Manual
 * Halo Infinite