Not really no. It's an inanimate object. It does not have agency. If you, the soldier, do not aim it and don't pull the trigger, it will sit there and rust into

Not really no. It's an inanimate object. It does not have agency. If you, the soldier, do not aim it and don't pull the trigger, it will sit there and rust into dust without killing anyone. You can't call it an "indiscriminate killing machine" any more than you can call e.g. a hammer or a kitchen knife the same.