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 6145-01-115-0859
NSN 4140-01-213-0151
NSN 7035-01-571-8784
NSN 5925-01-259-2418
NSN 5985-01-229-7514
NSN 5998-00-596-9568
NSN 6240-01-555-8365
NSN 4140-00-660-8699
NSN 5960-00-471-5212
NSN 6130-00-476-4445
NSN 5999-01-028-9325
NSN 6610-00-445-2338