The RISE Rev 535 BLACK/RED CRVD/FLT BLDS is a cutting-edge AR trigger that revolutionizes shooting performance. Designed for seamless integration with compatible mil-spec lowers, this trigger minimizes installation time and maximizes efficiency, enabling shooters to focus on performance. Rapid Installation with Built-in Pins - No Tools, No Screws, No Hassle Includes Flat and Curved Blade Faces for versatile shooting preferences Crisp, No-Take-Up Performance that Improves Accuracy and Shot-To-Shot Speed Experience the efficiency and precision of the RISE Rev 535 and elevate your shooting game beyond expectations.