PBR Turret Gun 01 Blue Low-poly 3D model is available on CGTrader for $6. Original author: DaikLord3D. Specs: 655 polys, 773 verts.
MA (Autodesk Maya, filesize: 387 MB), OBJ (OBJ, filesize: 387 MB), FBX (Autodesk FBX, filesize: 387 MB), MAX (Autodesk 3ds Max, filesize: 387 MB), GLTF (glTF, filesize: 387 MB), PNG (PNG, filesize: 387 MB), UNITYPACKAGE (Unity 3D, filesize: 387 MB), UASSET (UnrealEngine, filesize: 387 MB), USDZ (USDZ, filesize: 387 MB), JPG (JPG, filesize: 387 MB), TEXTURES (Textures, filesize: 387 MB)