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  • Enhanced Castle Nut for AR .223/5.56/.308 Buffer Tube Receiver End Plates, Dark Blue

    $6.99

    Enhanced Castle Nut for AR .223/5.56/.308 Buffer Tube Receiver End Plates, Dark Blue.     SKU  ABNT03-BL

    • High Quality 7075-T6 Aluminum Construction, Anodized Dark Red