A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 6610-01-149-4753
NSN 5990-01-243-4233
NSN 4140-00-508-3206
NSN 5930-01-160-9446
NSN 6610-01-368-3269
NSN 5999-01-430-0391
NSN 5935-01-136-3475
NSN 6220-00-366-1670
NSN 5920-01-175-8184
NSN 6105-01-613-6084
NSN 5930-01-345-8654
NSN 6320-01-245-5307