Up until May 1986 , Springfield Armory , Inc. had a Full Auto Department at their factory in Illinois .
Springfield Armory , Inc. and Smith Enterprise Inc. were the two companies that produced select fire M14 type rifles for civilian ownership .
Up until May 1986 , companies       had a Full Auto Department at their factory in Illinois .
Springfield Armory , Inc. and Smith Enterprise Inc. were the two companies that produced select fire M14 type rifles for civilian ownership .