$5 MI MCX Handguard Low-poly 3D model by Akinaro. Available on CGTrader with 6000 polys and 3000 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 360 MB), BLEND (Blender, filesize: 360 MB), OBJ (OBJ, filesize: 362 MB), FBX (Autodesk FBX, filesize: 360 MB)