A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 5835-01-226-2337
NSN 5855-01-621-9483
NSN 6620-00-581-8984
NSN 5975-00-636-4910
NSN 5996-01-211-0208
NSN 6685-01-473-1997
NSN 5915-01-645-7523
NSN 6240-01-540-2749
NSN 5905-01-593-9970
NSN 6220-01-439-5761
NSN 5975-01-421-3976
NSN 5945-01-410-7778