Realistic military case model for your game. Classic army green plus 5 color variations.

Mesh statistics:
Triangles — 2 116
Vertices — 1 174

2 PBR materials (Unity Standard shader) for inner and outer surface of the model.
Outer materials use albedo, metalness/smoothness and normal maps (all maps are in 2k).
Inner material uses 1k tiling normal map.

Models are properly parented so you can easily open case top and adjust rotation of lock details.