Ambidextrous selector with no screws or threading to come loose or strip; utilizes stainless steel detent plungers to lock levers into place. The traditional lever side has been built for a more positive feel. The right side features a lower profile lever and will not interfere with trigger operation for right handed shooters. Rugged machined billet tool steel construction. Note: Will NOT work with non mil-spec receivers, or billet receivers (POF, Larue, Custom Billet Lowers etc.). Patent Pending.