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The G3 rear sight screw washer can be found in the rotary rear sight assembly between the clamping screw and the oval washer and is used prevent any loosening of the clamping screw. It is an original factory part made in Germany by HK.
|Gun Model||HK 91, HK G3, PTR91|
|Manufacture Status||Original Item|
|Returns Accepted||Yes - Must Not Be Modified Or Visibly Used|