Fits AR15/AR10; Fits most 308 and .223 AR style platforms; With anti-rotation pins; Single-stage; 3.5-lb. pull weight; Quick reset for faster response time between shots; Lightened trigger pull with super-crisp release to improve accuracy and increase target acquisition; Combines straight trigger functionality and comfort with curved control; Self-contained design makes it easy and quick to install with no fine-tuning needed; Manufactured and assembled in Rise's facility according to strict AS9100 aerospace requirements; Precision CNC machined from high-grade, heat-treated tool steel and aluminum; Contained in RISE Armament's signature bright red 8625 hardcoat anodized aluminum housing