Ruger’s M16 Alternative: the Select-Fire AC-556

Cool Forgotten Weapons merch! Ruger introduced their semiauto Mini-14 rifle in 1973, and followed it in 1979 with the AC-556, a select-fire version intended for military and police sales. Offered with either an 18.5 inch barrel and solid wood stock or a 13 inch barrel and side folder, the AC-556 incorporated a selector switch on the back of the receiver to ch