A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 4140-01-243-5817
NSN 6650-01-531-9827
NSN 5965-00-280-3111
NSN 4140-01-106-1652
NSN 6150-01-389-4289
NSN 6150-01-120-8487
NSN 5950-01-065-5054
NSN 5998-00-906-7379
NSN 5998-01-052-2096
NSN 5925-00-529-0441
NSN 6130-01-060-2941
NSN 7035-00-320-5644