The RISE Armament Rave 140 is the gen 2 of the best-selling RA-140 Super Sporting Trigger (SST). The trigger is available in a curved or flat version and includes anti-walk pins. With its innovative, patent-pending design, the RISE Ambidextrous Safety Selector will enhance the functionality and reliability of your AR-15, AR-10, or AR9. Chasing after a safety detent or spring is a thing of the past as those small parts are self-contained inside the RISE Ambi Safety Selector.