Home / AR Lower Components / LBE UNLIMITED CASTLE NUT View cart “GEISSELE MARITIME BOLT CATCH” has been added to your cart. LBE UNLIMITED CASTLE NUT$8.99 2 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 FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED EXT LEVER $66.50 Add to cart Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED STD LEVER $66.50 Read more Out of stock Magpul MOE Trigger Guard, Polymer – AR15/M4 – FDE $8.50 Read more Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS DIMPLED STD LEVER $66.50 Read more