An image of Gyunei Guss' Jagd Doga has been released by Bandai Hobby. The kit's prototype is now on display at the NEXT PHASE GUNPLA Exhibit during the Pop-event of The Gundam Base Tokyo.
MG or RE/100 i'd still get one!
Info updated May 17, 2018
Bandai will be releasing the Gyunei Guss' Jagd Doga in REBORN 1/100 line in September 2018 for 4,500 Yen.