Detailed 3D model of an WW2 Soviet Russian ASU 57 airborne assault gun.
Model created in 3ds Max 2009 and converted in multiple formats. All formats include materials and texture maps. The Max format uses mental ray materials and render. There's no need for a third party plugin or anything else, just drop your model in the scene and hit render.
Accurate scaled model, units cm.
Model centered at 0, 0, 0 axis coordinate points.
Main objects correctly grouped and named accordingly.

Main Textures:
body base color 2048 x 2048px
body roughness 2048 x 2048px
body base opacr 2048 x 2048px
front base color 2048 x 2048px
front roughness 2048 x 2048px
front base opac 2048 x 2048px
gun base color 2048 x 2048px
gun roughness 2048 x 2048px
inside base color 2048 x 2048px
inside roughness 2048 x 2048px
track base color 1024 x 1024px
track metallic 1024 x 1024px
track roughness 1024 x 1024px
trunc_tex 2048 x 2048px
wheels base color 2048 x 2048px
wheels roughness 2048 x 2048px