Custom Build HGUC FD-03 Gustav Karl Ver. Raphael (images, info)
From the Modeler:
MS for long-distance support “Gustav Karl ver. Raphael
I finished it with purple color (Raphael Gundam)
Equipped with Seravee II on the back
GN Cannon Full Burst Mode
Raphael mode
Crush the target with GN Claw at close range
Work by ル・クルーゼ
aka: NeHiKP1kaIE1u3q (Twitter account)