Check out FN FAL gun Low-poly 3D model on CGTrader for $9. High-quality mesh by Ali-Qolami: 13084 polys, 6686 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 1.06 MB), FBX (Autodesk FBX, filesize: 545 KB), BLEND (Blender, filesize: 5.36 MB), TEXTURES (Textures, filesize: 14 MB), JPG (JPG, filesize: 71.2 MB), OTHER (Other, filesize: 35.6 MB)