The Rise Armament RAVE 140 with AR-15 lower parts kit offers a substantial upgrade for your AR-15, particularly with its highly reliable RAVE 140 rifle trigger. Engineered for exceptional shooting performance, this trigger enhances accuracy and precision in every shot. Constructed predominantly from 8620 steel for most Mil-Spec components, the kit ensures long-lasting durability and resistance to carbon buildup, rust and other contaminants.