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 5975-01-085-9021
NSN 5950-01-609-3897
NSN 4140-01-569-7183
NSN 5925-01-124-9338
NSN 5985-01-580-2024
NSN 5975-01-340-5774
NSN 5915-01-312-9128
NSN 5920-01-659-2971
NSN 5960-01-129-2509
NSN 6220-00-244-2040
NSN 5905-01-561-8840
NSN 5999-01-533-8922