From the modeler…
RX-121-1 + FF-X29A Gundam TR-1 [Hazel-Rah] Second Form [Combat Deployment Colours]
Pilot: Wes Murphy
Manufacturer: Konpeitoh Inc.
Universe: Advance of Zeta: Flag of Titans / Universal Century 0084
Operator: Titans Test Team (Black Otter Team)
Scale: 1/144
Grade: High Grade
Manufacturer Bandai
Kits used: 1/144 HGUC Advanced Hazel / P-Bandai FF-X29A G-Parts [Hrududu] 2x / Shield Booster 4x
(Source)