Manufactured in 1968 with birdcage flash hider on the un-marked barrel, standard winged post front sight on the gas block with bayonet lug, windage adjustable flip up two-leaf peep rear sight on the fixed carry handle upper receiver, no forward assist, short deflector, standard markings on the lower receiver, "unfenced" magazine catch, checkered pistol grip, long vented triangular handguard, matte serrated bolt carrier, single piece buffer, and fixed buttstock with serrated rubber buttplate.