Rear Sight Roll Pin ( AR15 / M16 / M16A1)

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Roll Pin holding the Rear Windage Drum of the AR15 / M16 / M16A1 in place.

Will not work on M16A2 Sight Assembly, but will work on all earlier models (1959-1985).


This is an Original Colt M16 Take off part and may show signs of use.


Made in the USA