Check out PBR FN FAL G-Series Low-poly 3D model on CGTrader for $54. High-quality mesh by steffe-engdahl: 25624 polys, 13445 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 2.49 MB), FBX (Autodesk FBX, filesize: 1010 KB), MA (Autodesk Maya, filesize: 2.08 MB), DAE (Collada, filesize: 6.87 MB)