Check out Chainsaw old grungy 3d model 3D model on CGTrader for $31. High-quality mesh by Kritrimvault: 5867 polys, 10860 vertices. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 1.75 MB), OBJ (OBJ, filesize: 1.44 MB), FBX (Autodesk FBX, filesize: 5.64 MB), TEXTURES (Textures, filesize: 100 MB)