$12 Vortex XM157 NGSW FC Optic Low-poly 3D model by Akinaro. Available on CGTrader with 20800 polys and 10600 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 85 MB), BLEND (Blender, filesize: 85 MB), OBJ (OBJ, filesize: 437 MB), FBX (Autodesk FBX, filesize: 435 MB), DAE (Collada, filesize: 441 MB), OTHER (Other, filesize: 348 MB), JPG (JPG, filesize: 84 MB), PNG (PNG, filesize: 84 MB)