HG 1/144 Blu Duel Gundam

The Blu Duel Gundam is a modified GAT-X102 Duel Gundam produced as part of the "Actaeon Project", a joint development between several companies led by Actaeon Industries and Phantom Pain. The project's main aim is to create customized MS for use by Phantom Pain's ace pilots. The Blu Duel is designed with an emphasis on melee combat to maximize combat efficiency in group battle tactics with the GAT-X105E Strike Noir Gundam and the GAT-X103AP Verde Buster Gundam.

Lore excerpt from gundam.fandom.com.