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RGM-109M-5 Heavygun

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The RGM-109M-5 Heavygun is a variant of the RGM-109 Heavygun that appears in Mobile Suit Victory Gundam.

Technology and Combat Characteristics

The RGM-109M-5 Heavygun is a modified version of Earth Federation's old RGM-109 Heavygun mobile suit. This particular version possesses a slight reduction of height and weight and is equipped with a more powerful fusion reactor. The 109M-5 also had a reduced number of vernier thrusters, though since it is some decades newer than the original 109 Heavygun it likely possesses similar maneuverability. It possesses the same number of rocket thrusters but these have been upgraded to provide better acceleration.

Despite being newer, though still outdated compared to modern mobile suits of the time, the 109M-5 Heavygun has a reduced set of armaments. Namely the number of beam sabers it mounts had been reduced from two to one, and the pair of four-slot grenade racks have been removed completely. Also noted is the missing pair of head antennas.


  • Vulcan Gun
A standard armament of the mobile suits that are descended from the Earth Federation Forces's RX series is a pair of head-mounted, fire-linked 60mm vulcan guns. These shell firing weapons have a high-rate of fire but have little power and can't damage the thick armor of a mobile suit, though it can damage lightly armored areas such as the sensors. The weapons are ideal for shooting down small, fast moving, lightly armored targets such as missiles, small land vehicles, and attack helicopters.
  • Beam Saber
The standard close range armament for most mobile suits. The beam saber is a small cylindrical device held in the mobile suit's hands when operated and is powered by an energy capacitor that is recharged from special racks. The beam saber emits a blade of plasma contained by an I-Field and is capable of cutting through almost any metal that has not been treated with anti-beam coating. Unlike its predecessor, the RGM-109M-5 only has one beam saber.
  • Shield
A basic optional arm-mounted defense armament for many Federation mobile suits. The shield is a thick sheet of armor designed to take severe punishment that would normally destroy a mobile suit. Since the introduction of beam weaponry, shields have been treated with an anti-beam coating allowing it to withstand several beam shots before the coating wears off. Typically physical shields can only take so much damage before they succumb to the pressure and break.
  • Beam Rifle
The standard hand carried ranged beam weapon of the Heavygun is a beam rifle powered by an rechargeable energy cap. Capable of firing concentrated mega particles, attacks from a beam rifle can damage any ordinary armor that has not been specially treated to resist it. Only I-Field and latter on Beam Shields can effectively block the beam shot from a beam rifle.


For several decades of the late Universal Century the Earth Federation has allowed the colonies to maintain their own private defense forces, likely as a means of relieving tension between the Earth controlled government and those living in space. However most of the mobile suits that served in these colonial defense forces were older models that the Earth Federation no longer used. For its own defense for the Macedonia colony used the RGM-109M-5 Heavygun. However when the Zanscare Empire began its militarist expansion in UC 153 it became known that the 109M-5 Heavygun was painfully outdated and outperformed by the Zanscare Empire's modern mobile suits that were superior to even the Earth Federation Force's. Still the Macedonia colony attempted to resist with their mobile suit forces but it would prove futile.


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