According to the modeler, it's an anti beam spam coated Beagguy III. With it's gold plated armor pieces, the beams will deflect as it hits its surface.
The modeler did an amazing job on making this kit look more awesome! The separation of 2 values of gold is also stunning. Paint job looks clean and sharp! and the black ribbon's paint job looks amazing and brought the kit some highlights and emphasized it's shine even more for some reason.