This core machine of the Toa and other more specialized mobile suits. The control performance of this unit is exceptional. the body consists of a beam cannon and a sub-arm with a beam saber on the right and left sides.
The GMS-01 “Toa” is a the general-purpose mass-production MS of GS. At it’s core it is a GMA-01 Phantom Figther equiped with arms, a torso and a body. The Toa is just one of many configurable MS that are possible with the base GMA-01 core.