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 6240-01-460-0331
NSN 5998-01-532-2270
NSN 5990-01-384-2697
NSN 5985-00-905-5049
NSN 5945-01-024-9378
NSN 6685-00-493-6104
NSN 6135-01-554-4281
NSN 6145-00-823-6215
NSN 5999-01-262-6786
NSN 6130-00-077-0114
NSN 6320-01-435-5991
NSN 6135-00-240-3200