bulletproofColt "AF" M16 A2 Upper Receiver 1990's PREBAN Kit Retro AR15 727 Black M4 Colt M16A2 Black upper receiver assembly in 5.56mm in EXCELLENT / UNISSUED condition! This is an original 1990's production part. Super rare and exciting find - all original factory finish. This comes with the original charging handle and delta ring assembly, all parts form the same gun! MILSPEC 0.25" front pivot! M4 feed ramps.
