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Ergo Castle Nut 4971

Manufacturer Part Number: 4971
Manufacturer: Ergo
Big Supply Shop ID: 186974
Condition: New


In Stock - Quantity: 24
Low Price:$3.32

Ergo Castle Nut 4971

The castle nut (also known as the stock lock ring and receiver extension nut) is used to secure the buffer tube to the lower receiver.

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