$25 Lewis Machine and Tool LMT Defender Carbine Low-poly 3D model by hash2105. Available on CGTrader with 12771 polys and 23305 vertices. Geometry: Polygon mesh. Check it out on CGHub.
STL (Stereolithography, filesize: 1.27 MB), OBJ (OBJ, filesize: 2.11 MB), 3DS (3D Studio, filesize: 729 KB), FBX (Autodesk FBX, filesize: 688 KB), BLEND (Blender, filesize: 2.12 MB)