A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 5935-00-023-4976
NSN 5915-01-539-1203
NSN 5985-01-331-3386
NSN 5998-01-384-1413
NSN 5930-00-976-2203
NSN 6145-01-591-4161
NSN 6320-01-506-9439
NSN 6645-00-106-0140
NSN 5990-01-384-2697
NSN 5835-01-408-6529
NSN 5925-01-216-6397
NSN 5975-01-610-9811