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 5855-01-392-1110
NSN 6135-01-127-0173
NSN 5910-01-512-2300
NSN 6130-00-754-2950
NSN 5990-01-423-8189
NSN 6150-01-370-9204
NSN 5935-01-503-0390
NSN 5985-01-104-5450
NSN 6220-01-121-0850
NSN 5985-01-231-1040
NSN 5998-00-568-3973
NSN 5905-01-313-5990