Home / AR Lower Components / LBE UNLIMITED CASTLE NUT View cart “FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED EXT LEVER” has been added to your cart. 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 Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED STD LEVER $66.50 Read more Aero Precision Enhanced Pistol Receiver Extension $35.99 Add to cart Out of stock SIONICS Lower Parts Kit – Deluxe – Single Selector $99.95 Read more Out of stock SIONICS Receiver Extension Kit w/ H2 Buffer & Sprinco Blue Spring $99.95 Read more