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 6220-01-507-6720
NSN 6105-00-972-3772
NSN 5985-01-195-4028
NSN 6320-01-006-6138
NSN 5855-00-797-8217
NSN 5895-00-911-4136
NSN 5915-01-479-0779
NSN 6145-01-260-1861
NSN 5998-01-219-8526
NSN 5855-01-323-5394
NSN 5910-00-847-5571
NSN 6135-01-231-4809