Colt AR-15 / M16 Buffer Retainer Spring
Original Colt AR-15/ M16 buffer retainer spring.
Original Colt AR-15/M16 buffer retainer spring.
This part fits into the lower receiver and tensions the buffer retainer which contains the buffer into the receiver extension tube.
This is a factory part removed from Colt M16A1 export rifles.
|Country of Manufacture||United States|