I doubt the range will allow you to bring such targets. If they do not supervise you, yes, you can use them, but you're at a range, so the law will apply. Doing so puts the entire range at risk for your assholeness.
Massachusetts is where people who own sporting rifles are insane killers.
“These guns are not made for recreation or self-defense. They are instruments of destruction with the sole purpose of hunting down and killing people.” Mitt Romney