Bandai #25 MS-06C-6/R6 Zaku II Type C-6/R6 from Mobile Suit Gundam The Origin.

The shape of the Zaku II C6 type's chest is altered from that of the regular C type and reinforced. It comes with markings so you can recreate the suit's appearance when piloted by Denim, Slender, Gene, or Pacheco.