Introduced in 1987 as a factory ready tactical rifle. Birdcage flash hider, post front sight on the gas block with bayonet lug, round ribbed and ventilated handguard, standard markings on the lower receiver, fixed carry handle on the upper receiver with 800 meter adjustable rear sights, ARMS scope mount, correct rubberized 3-9x Tasco scope, extended charging handle, checkered grip with Colt "delta" medallion, fixed buttstock with correct cheek riser, and checkered trapdoor buttplate. With original Colt Aluma-Max case, black leather sling, and extra magazine.