a futuristic assault rifle, Artstation, Artstation Trending, cgsociety, high quality, very coherent, ultra realism, high definition, post processing, unreal engine, 8k, high resolution, octane render, 4k UHD, photographic, digital art, art by uroš golubović artstation + bobryshev aleksandr artstation + ranulf busby doku artstation + echo lima artstation,