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The MSA-099-2 Rick Dias II is a mobile suit from the series Zeta Gundam Variations of the Gundam metaseries.

Technology and Combat Characteristics

The MSA-099-2 Rick Dias II is an upgraded version of the RMS-099 Rick Dias. Its combat abilities are much the same as its predecessor except that the Rick Dias II has more thrusters and a superior propulsion system granting it greater speed and maneuverability than the Rick Dias, as well as a slightly improved powerplant. Each part of the machine is dramatically improved, based on operating data from machines like the Dijeh. One of the main combat differences is that the Rick Dias II's design replaces the beam pistols of the original and sports a much more powerful 2-barrel mega beam gun.

Because of the limited resources of the AEUG and their philosophies for mobile suit design it is likely that the Rick Dias II could use weapons employed by the AEUG's other mass-produced mobile suits.


  • 2-barrel 55mm Vulcan Phalanx
Mounted in the top of the Rick Dias II's head, and covered when not in use, they are equivalent to the vulcan guns commonly used by other mobile suits. These shell firing weapons have a high-rate of fire, but have little power and are generally ineffective against mobile suits; however, the vulcan gun can damage lightly armored areas such as the sensors. These weapons are ideal for shooting down small, fast moving, lightly armored targets such as missiles or small vehicles.
  • 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 is capable of cutting through any metal that has not been treated with anti-beam coating.
  • 2-barrel Mega Beam Gun
Replacing the Rick Dias' Beam Pistols is a 2-barrel Mega Beam Gun, power rated at 4.8 MW, it could be mounted on the backpack when not in use. This weapon was the prototype for the ZZ Gundam's double beam rifle.


The RMS-099 Rick Dias, the first mobile suit developed by the AEUG, was a well-balanced masterpiece of a machine. The use of Gundarium Gamma also reduced its weight and gave it relatively high expandability. Thus several plans were created to improve and enhance the Rick Dias to keep up with increases in mobile suit performance. Some of these involved enhancing its back units, such as the RMS-099B Schuzrum Dias which aimed to increase its firepower by installing mega particle cannons in the backpack binders, or the RMS-099S Rick Dias S which was based on the concept established by the RX-178 + FXA-05D of attaching a support unit to the mobile suit. The MSA-099-2 Rick Dias II, though, was a renewal model intended to maintain the concept of the original machine while improving all of its equipment. In addition to higher output binders, thrusters were added to the backpack and legs, giving it far higher mobility than the RMS-099. It could also use a newly developed twin mega beam gun (whose concept was inherited by the MSZ-010) and various other weapons, starting with those used by the RMS-099, so it had sufficient firepower as well. But although this machine demonstrated high performance, its construction costs were high compared to those of the RMS-099, and only a few pilots could use it. Thus construction ended with one prototype machine, and according to official records it appears that this first prototype unit was never used in combat.


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External links

Z-MSV Mechanics
Mobile Weapon
Gundam Mk-II's variation
FA-178 Full Armor Gundam Mk-II
Nemo's variations
MSA-004 Nemo II | MSA-004K Nemo III
Methuss's variations
MSA-005K Guncannon Detector | MSA-005S Methuss Kai
Rick Dias's variation
MSA-099-2 Rick Dias II
Hyaku Shiki's variations
MSR-00100 Hyaku Shiki Kai | MSR-00100S Hyaku Shiki Kai Mass Production Type
Z Gundam's variations
MSZ-006-X Prototype Ζ Gundam | MSZ-007 Mass Production Type Ζ Gundam | MSZ-008 ZII
Dijeh's variation
SE-DJ-1R Dijeh SE-R
MSF-007 Gundam Mk-III