The FX-9900-D G-Bit D.O.M.E. gundam papercraft is a series of Bit Mobile Suit used in the series After War Gundam X by D.O.M.E. .

Model after GX-Bit, G-bit is created by the United Nations Earth prior to the 7th Space War to protect the Moon base which contained the satellite system used to power the satellite cannons and the remnants of D.O.M.E.

G-Bit appeared in Gundam-X anime, Papercraft designer is Toyoppe.