MilitaryCase 02 Low-poly 3D model is available on CGTrader for $10. Original author: n3600. Specs: 11772 polys, 5567 verts.
MAX (Autodesk 3ds Max, filesize: 617 MB), OBJ (OBJ, filesize: 617 MB), FBX (Autodesk FBX, filesize: 617 MB), MAX (Autodesk 3ds Max, filesize: 617 MB), TBSCENE (Marmoset Toolbag, filesize: 617 MB), SPP (Substance Painter, filesize: 617 MB), 3DS (3D Studio, filesize: 308 MB)