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 5999-00-921-1174
NSN 6685-00-958-8072
NSN 5960-01-446-1266
NSN 6240-00-975-0868
NSN 5920-01-396-6159
NSN 6135-00-231-7257
NSN 4140-01-418-4155
NSN 6320-01-215-2284
NSN 6110-00-992-3789
NSN 5855-00-151-3853
NSN 5930-01-037-7809
NSN 6620-01-277-9325