Marketed to law enforcement and foreign military clients, the AC-556 family of weapons is a Mini-14 .223 caliber rifle configured as a factory original selective fire machine gun. Fixed blade front and adjustable peep rear sights, with a bird cage flash hider on the barrel, which is sans bayonet lug. Standard markings on the receiver, with the safety lever set into the front of the trigger guard and a 3-position selector switch (semi/3-round burst/full) on the right side of the receiver heel. The hardwood stock is fitted with a plastic upper handguard and pistol grip, a side folding steel buttstock, and an added quick-detach sling swivel on top behind the receiver heel.

Excellent, with bright stainless steel finish, showing some spotting around the gas block and light handling marks overall. The stock shows minor scratches and dings, with a few chips on the front edge of the pistol grip. Mechanically excellent. NOTE: This weapon is a National Firearms Act (NFA), fully transferable Class 3, which is registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives, (BATFE) under the provisions of 18 U.S.C. Chapter 44 and 27 CFR part 479.