Kind of a rare bird of an upper, piston driven LWRCi M6-AK in 5.45x39 on a factory Eagle Arms (Armalite) lower receiver. (10) 5.45x39 dedicated AR pattern mags. Vortex Spitfire 3x Prism. Have plenty of 5.45x39 ammo if interested. Message for more info. $1,600 OBO.