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 5910-01-422-4924
NSN 6220-01-114-1237
NSN 6685-00-186-7879
NSN 5925-00-504-0996
NSN 6240-01-470-9322
NSN 5999-00-226-0109
NSN 6105-01-573-7261
NSN 6130-01-227-9620
NSN 4140-01-192-0342
NSN 6650-01-076-5232
NSN 5905-01-511-8672
NSN 5999-00-155-3088