Manufactured from 1979 to 1999 and marketed to law enforcement and foreign military clients, the AC-556 family of weapons is the Mini-14 .223 caliber rifle configured as a factory original selective fire machine gun. Fitted with a birdcage flash hider, blade and adjustable peep sights and standard receiver markings. The selector switch is positioned on the right rear of the receiver, with positions for semi-automatic, three round burst, and full automatic. "BVPD/AR I" is stamped on the left side of the receiver, with "BVPD" (Belleville, Michigan Police Department) stamped into the comb of the smooth hardwood stock and "I" painted on the grip; a similarly marked AC-556 numbered "2/II" can be seen elsewhere in this sale (lot 1509). With a matching hand-numbered factory box and two Ruger Law Enforcement Products brochures (1980 and 1982).