$5 ZPU gun Low-poly 3D model by hoanguyen86. Available on CGTrader with 14904 polys and 4414 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 1.45 MB), FBX (Autodesk FBX, filesize: 1.45 MB), MA (Autodesk Maya, filesize: 1.45 MB), TEXTURES (Textures, filesize: 490 KB)