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Unit Type

Custom Mobile Suit




Model Number
  • RGM-79
First Seen
Known Pilots

General Characteristics

Pilot Accommodations
  • Pilot only, cockpit in torso with Core Block System using Core Pod
  • 2 x beam saber searchgray_iconsmall.png
Optional Equipment
  • Hand Grenade searchgray_iconsmall.png
    • Shield searchgray_iconsmall.png

The RGM-79 GM is a reinterpretation of the RGM-79 GM from the original Mobile Suit Gundam anime series. It solely appears in the Mobile Suit Gundam: The Origin manga series. It is piloted by Sayla Mass.

Technology & Combat Characteristics

A custom RGM-79 GM for Sayla Mass's use. Its armor is reinforced to be more durable, and the mobile suit carries more grenades and 2 Beam Sabers instead of a standard GM's 1.


  • Beam Saber
The beam saber use Minovsky particles held in place by an I-Field to form an effective cutting surface that can slice through nearly any material. The particles for the beam saber are stored by E-cap in the hilt of the saber, which is recharged from the GM's reactor when the saber is returned to its socket. Once activated, beam saber do not rely on the mobile suit's reactor and can be thrown or discarded as decoys. The beam saber is most often used for close range combat or as an emergency weapon once all other ammunition has been depleted. Unlike normal GM, Sayla's machine is equipped with two Beam Saber.
  • Beam rifle
A revolutionary weapon for it's time, the beam rifle making use of the Federations E-cap (or "energy capacitor") technology, the rifle uses charged concentrations of Minovsky particles as ammunition. This gives the beam rifle firepower equivalent to that of a battleship's beam cannons. As the Minovsky particles destroy matter on a molecular scale, the beam rifle can penetrate even the thickest armor and destroy its target with a single shot. One weak point of the rifle was its energy limits. The rifle could only be fired 16 times before depleting its energy and becoming useless.
  • Hand Grenades
Modeled after the Model 24 grenade of Germany, these waist mounted grenades can be thrown like regular grenades and set to detonate upon impact with the target or timed to explode after a preset time. They are quite effective in mid-range anti-MS combat.
  • Shield
Hand-carried or forearm-mounted, the shield is a simple defense used to block most incoming ballistic and explosive projectiles. Also used to great effect in close quarters battle with enemy mobile suits. Has a view port than can be sealed off with an internal blast plate. The shield is also used to deflect heat away from the mobile suit when undergoing atmospheric re-entry.


Appears in Vol. 21 of the Mobile Suit Gundam: The Origin manga, the RGM-79 GM (Sayla Mass Custom Origin Ver.) is a GM variant for ace pilots fitted with extra armor and weapons. It was piloted by one of the legendary SCV-70 White Base's members, Sayla Mass.



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