Home / AR Lower Components / LBE UNLIMITED CASTLE NUT Out of stock LBE UNLIMITED CASTLE NUT$8.99 Out of stock Want to be notified when this product is back in stock? Notify me 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… Out of stock LBE UNLIMITED CASTLE NUT $8.99 Read more Related products Bravo Company Manufacturing MIL-SPEC Carbine Stock Hardware Kit $57.95 Add to cart SOLGW AMBI SAFETY SELECTOR KIT $33.25 Add to cart Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS DIMPLED STD LEVER $66.50 Read more Out of stock SIONICS Receiver Extension Kit w/ H2 Buffer & Sprinco Blue Spring $99.95 Read more