$6 PBR Turret Gun 05 Grey Low-poly 3D model by DaikLord3D. Available on CGTrader with 973 polys and 1133 vertices. Check it out on CGHub.
MA (Autodesk Maya, filesize: 415 MB), OBJ (OBJ, filesize: 415 MB), FBX (Autodesk FBX, filesize: 415 MB), MAX (Autodesk 3ds Max, filesize: 415 MB), GLTF (glTF, filesize: 415 MB), TEXTURES (Textures, filesize: 415 MB), PNG (PNG, filesize: 415 MB), UNITYPACKAGE (Unity 3D, filesize: 415 MB), UASSET (UnrealEngine, filesize: 415 MB), USDZ (USDZ, filesize: 415 MB), JPG (JPG, filesize: 415 MB)