FFGI-500 was created from FFMPI to modernize it.
FFGI-500 has 8 weapons, all same 30mm Repeating Ion Blasters.
Major change to FFMPI is folding wings, and bigger engines. These were made to completely replace all FFMPI fighters, and they are now replaced.
Cockpit, prettu comfortable.
Engines and fueltanks.
Engines, fueltanks and small acces to gravity generator. (G-force is not fun for everyone...)