AR-28 AR-28300-1C AR28-HZL/01-TT AR28-HZL/01-TT-R AR28-HZL/07-TT AR28-HZL/07-TT-R AR28-HZL/7/01-TT AR28-HZL/7/01-TT-R AR28-HZL/7/07-TT AR28-HZL/7/07-TT-R