An August, 1992 single page advertisement from ‘Sports Afield’ magazine for the new Colt model R6830 7.62x39mm Sporter Lightweight rifle. The model R6830 would not appear in the Colt catalog until 1993.
The Colt AR-15 Resource
"A site dedicated to the history of the Colt AR-15 rifles, carbines and associated items"
The Colt AR-15 Resource 