An item attached to the breech end and integral to a carbine, machine gun, pistol, rifle, or the like. It may be a fixed or adjustable cross blade with a u-or v-shaped notch or aperture, or it may have elevation and windage adjustment knobs, slides, and graduated scales and be provided with aperture disks.
Classification: Part and accessories of articles of headings 9301 to 9304, nesoi
NSN 5910-01-166-2459
NSN 4140-01-128-7301
NSN 5996-01-531-2993
NSN 7035-01-071-0197
NSN 5925-01-459-9730
NSN 6650-00-575-7487
NSN 5895-00-005-5260
NSN 5990-01-183-1897
NSN 5945-00-511-6475
NSN 6130-01-345-5183
NSN 5910-00-880-6695
NSN 6105-01-495-8922