Looking for ICAR-H tan gun? Get this 3D model from msi-infi via CGTrader for $10.
SKP (Sketchup, filesize: 15.2 MB), OBJ (OBJ, filesize: 15.2 MB), FBX (Autodesk FBX, filesize: 15.2 MB), 3DS (3D Studio, filesize: 15.2 MB), DWG (AutoCAD, filesize: 15.2 MB)