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 5935-01-582-4208
NSN 5985-01-509-9377
NSN 4140-00-678-2141
NSN 2925-00-004-1278
NSN 6620-01-078-6372
NSN 5910-00-862-0145
NSN 6320-01-442-3428
NSN 6105-00-408-3397
NSN 5930-01-432-2361
NSN 6685-01-239-8129
NSN 6320-01-202-8761
NSN 6220-01-063-7287