Early A1 Mr556 upper complete with HK Lower parts kit, HK ambitexious selector and a nickel boron coated semiautomatic trigger. The buffer tube is over the beach version with superior water drainage and spring loaded ball bearings that keep the adjustable butt stock tight. The brownells lower is finished from a HK forged casting. And comes with the extended 416 quad rail and Geissele rail ($550) value both for free. No magazine is included. For serious inquiries or more pictures text or call 828-772-95six9.