A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 6620-00-734-7746
NSN 6130-00-378-5567
NSN 5950-01-215-1500
NSN 5930-01-169-2223
NSN 5950-00-760-4014
NSN 5960-01-388-1988
NSN 6150-00-455-1331
NSN 5998-00-866-4605
NSN 5998-01-197-7915
NSN 6150-01-424-0508
NSN 2925-01-657-9741
NSN 6135-01-653-1437