{| class="box message colored bordered style-warning" || This article is in need of Armaments descriptions. |} The RX-124 Gundam TR-6 [Fiver II] was developed using functional data from the TR-5 “Fiver,” and was nicknamed the “Fiver II”. It appears in the novel/manga Advance of Zeta: The Flag of Titans. The Fiver II is named after the character Fiver (fictional rabbit character from Watership Down).