According to the site Gundam Guy, three (3) Gundam Thunderbolt Versions are released in Japan, they are:
HGUC 1/144 Full Armor Gundam [Gundam Thunderbolt Ver.] (Price: 2,700 Yen)
HGUC 1/144 GM [Gundam Thunderbolt Ver.] (Price: 1,800 Yen)
and HGUC 1/144 MS-06 Zaku + Big Gun [Gundam Thunderbolt Ver.] (Price: 3,800 Yen)
