Rear Sight Detent ( AR15 / M16 / M16A1)

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Detent for the Rear Sight Assembly for all model AR15's BEFORE the M16A2. This would include AR15 / M16 / M16A1 .. as well as all Colt models using the original AR15 sight assembly ( 725, 733, etc.)


This is an Original Colt take-off part and may show slight signs of use.


Made in the USA