MTCM-03C Metalstorm is part of the Quantron Combiner. It transforms into a heavy bomber and also becomes the torso of Quantron.
1x Fusion-cannon graded rifle
1x Fusion-cannon graded rifle with attached grenade launcher
2x Booster modules
1x Gigan cannon - can be dispatched and installed on the right arm. The Gigan Cannon can also transform into a composite bow or a cross bow.
ETA - December 2015 release.