This package contains a low detail grey-shade bunker. Just drak the prefab into your scene and arrange as you like. Also include the original fbx file with the 3 part of the bunker (bunker, vent1, vent2 and stepladder). The bunker uses "3786" polygons.
Texture size for the bunker is 2048x2048, for the stepladder is 1024x1024 and for 2 vents are 512x512. Every diffuse map have included the specular map (gloss in unity) in the alpha channel.