$10 Winchester 1873 3D model by mcdrake. Available on CGTrader with 9111 polys and 9347 vertices. Check it out on CGHub.
MA (Autodesk Maya, filesize: 24.9 MB), OBJ (OBJ, filesize: 23.9 MB), FBX (Autodesk FBX, filesize: 7.1 MB), TEXTURES (Textures, filesize: 257 MB)