Sog Armory offers the latest AR15 parts and M16 parts for rifle collecting enthusiasts, as well as government and law enforcement agencies. Our Ar-15 and M-16 parts are made of durable materials such as steel, graphite and aluminum. We carry hard to find AR15 and M16 spring kits, tactical triggers, bolt carriers and lower parts kits. We are a master distributor of RAND CLP: Cleaner and Lubricant.