A device permanently affixed to a weapon to be used with interchangeable sights.
Classification: Parts and accessories for military rifles of heading 9301
NSN 5905-01-154-2458
NSN 5905-00-111-3618
NSN 6130-00-303-3985
NSN 4140-01-645-4628
NSN 6110-01-093-1776
NSN 6610-00-099-4096
NSN 2925-00-118-4297
NSN 5998-00-280-3129
NSN 6320-01-123-2476
NSN 2925-01-463-3899
NSN 5996-00-272-2560
NSN 5945-01-300-0489