Mbus, magpul back-up sight, rear gen 2
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 5925-01-657-4884
NSN 6220-01-237-2488
NSN 5915-01-272-4182
NSN 5990-00-242-2705
NSN 5920-01-625-6028
NSN 5835-01-067-9271
NSN 5920-01-660-9943
NSN 5996-01-643-4962
NSN 5998-01-513-5802
NSN 5835-01-462-5983
NSN 5996-00-563-4251
NSN 5855-01-433-2220