This kit is based on the prototype Gundam Unit 3 that appeared in "Mobile Suit Gundam 0083". The gimmick is exclusive to the Master Grade, and the Core Fighter can be transformed and stored inside the torso without any parts replacement. In addition to the Core Fighter, it also comes with an original Core Block. The folding arm deployment gimmick on the forearm is also perfectly reproduced without any parts replacement. It comes with a folding bazooka with a folding gimmick, a folding shield, two beam sabers and a beam rifle.