GAT-X105B/GC Build Strike Galaxy Cosmos


Model number: GAT-X105B/GC
Code name: Build Strike Galaxy Cosmos
Unit type: custom mobile suit model kit
Inspiration: GAT-X105 Strike Gundam (Gundam SEED)
Builder: Sei Iori
Dimensions: overall height 17.7 meters
Weight: max gross 92.3 metric tons
Armor materials: plastic
Equipment and design features: hardpoint for docking with Galaxy Booster unit; Star System; Radial General (RG) Purpose System
Fixed armaments: 4 x vulcan gun, mounted in head; 2 x beam saber, stored in recharge racks on waist armor, hand-carried in use
Optional hand armaments: beam rifle; cosmo shield, mounted on left forearm

The GAT-X105B/GC Build Strike Galaxy Cosmos was an upgraded version of Sei Iori’s GAT-X105B/CM Build Strike Gundam Cosmos. The Galaxy Cosmos was a further development of concepts that Sei created in earlier versions of the Gunpla, including the Radial General (RG) Purpose System, which could power up parts of the kit by concentrating Plavsky particles. The new Star System could create a power gate that boosted the unit’s offensive power. When both the RG and Star Systems were activated, the Galaxy Booster could deploy its 12 wing pieces, which allowed Sei to control Plavsky particles over a wide range. Sei debuted the upgraded Galaxy Cosmos in a friendly match against Meijin Kawaguchi’s A-Z Gundam. A fierce battle ensued, but a stroke of luck in Sei’s favor caused the match to end in a draw.

Pilot: Sei Iori
First appearance: Gundam Build Fighters Battlogue
Original mechanical designer: Kunio Okawara


Beam rifle


Cosmo shield






Rear view (Mobile suit)

Build Fighters Battlogue Info

Masami Obari

Yousuke Kuroda

Mechanical Designer(s):
Kanetake Ebikawa
Takayuki Yanase
Kunio Okawara

Character Designer:
Kenichi Ohnuki

Musical Composer(s):
Yuuki Hayashi
Asami Tachibana

5 episodes

Internet Release:
Japan 08.04.2017 – 12.07.2017
Global 08.04.2017 – 12.07.2017


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