The RISE Armament Rave 140, the next evolution of the popular RA-140 Super Sporting Trigger (SST)! This Gen 2 trigger is available in your choice of a curved or flat trigger shoe and comes complete with anti-walk pins for secure installation. Furthermore, the innovative, patent-pending RISE Ambidextrous Safety Selector is designed to boost the functionality and reliability of your AR-15, AR-10, or AR9 platform. Forget the hassle of lost detents and springs - these small components are smartly self-contained within the RISE Ambi Safety Selector. Upgrade your firearm with the enhanced performance and convenience of RISE Armament.