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HK MR223 UPPER RECEIVER (STRIPPED) RAL8000
Genuine Factory & Brand new, "Made in Germany"
Note : This receiver requires a barrel nut with different threads, the A1 MR556/416 barrel nut will not thread because of course threads.
Note :Unfortunately these upper receivers have no logos or serial numbers on the outside , like the Black ones .
Serial and markings are on the inside !!!
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