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 5915-01-218-7045
NSN 6150-00-391-1981
NSN 5835-00-902-8680
NSN 5930-01-411-1441
NSN 5996-00-363-9666
NSN 5960-01-460-7620
NSN 6685-01-113-8985
NSN 5935-01-226-0873
NSN 6145-01-499-9745
NSN 6620-00-050-1086
NSN 6240-00-063-0852
NSN 6620-00-153-6291