Home / AR Lower Components / LBE UNLIMITED CASTLE NUT You cannot add "Magpul Enhanced AR Magazine Release" to the cart because the product is out of stock. LBE UNLIMITED CASTLE NUT$8.99 3 in stock [] LBE UNLIMITED CASTLE NUT quantity Add to cart UPC: 765857617329 SKU: ARCNUT Category: AR Lower Components Product ID: 3663 Description Description AR15 Castle Nut 4140 Steel Mag Phosphate Finish MADE IN THE USA You may also like… LBE UNLIMITED CASTLE NUT $8.99 Add to cart Related products Magpul Enhanced Trigger Guard, Aluminum – AR15/M4 – Black $21.80 Add to cart Vltor A5 Receiver Extension Tube $49.46 Add to cart Magpul ASAP QD – Ambidextrous Sling Attachment Point QD $28.45 Add to cart Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS DIMPLED STD LEVER $66.50 Read more