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 5925-01-101-7781
NSN 5998-00-246-4422
NSN 5960-00-759-2534
NSN 6135-01-341-9814
NSN 5998-00-208-9336
NSN 6240-01-520-6376
NSN 6110-00-908-4562
NSN 5935-00-961-5499
NSN 5930-01-469-2533
NSN 5945-01-129-8695
NSN 5965-00-006-8004
NSN 6145-01-134-0835