14.5-inch rail interface system (ris ii) is a complete upper receiver assembly that attaches to m4/m4a1 lower receivers. Consists of a non-serialized upper receiver, urg rail 14.5 inch, and either a 14.5 light barrel or 14.5 heavy barrel configuration with muzzle compensator nsn 1005-00-599-7048, folding front sights (flip up) nsn 1005-01-473-1410, and forward sling mount nsn 1005-01-597-2340. H9d/socom logistics helpdesk: (859)293-3114: dsn: 745-3114; toll free: 888-745-3114; logisticshelpdesk@sofsa.Mil.
An item, integral to a carbine, rifle, shotgun, or the like, designed to take charge from a magazine, cartridge or clip, magazine or a single cartridge or shell and hold it until chambered.
Classification: Part and accessories of articles of headings 9301 to 9304, nesoi
NSN 5835-00-284-0882
NSN 6150-00-225-9837
NSN 5920-00-148-7307
NSN 6220-01-437-2716
NSN 6220-00-039-6348
NSN 5910-00-481-1626
NSN 6130-00-925-2303
NSN 6320-01-145-9013
NSN 5960-01-526-3843
NSN 6240-00-954-5503
NSN 6645-01-099-2910
NSN 6620-01-392-6180