10.3-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 10.3 inch, and a 10.3 light barrel or a 10.3 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 help desk: (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 5975-01-382-9350
NSN 6150-00-891-1659
NSN 5990-01-407-1474
NSN 5985-00-647-4998
NSN 5985-00-732-5146
NSN 5935-01-288-0157
NSN 2925-01-113-6904
NSN 6130-01-100-3830
NSN 5999-01-607-2699
NSN 6320-00-511-7331
NSN 6145-01-362-0671
NSN 5999-01-043-3167