Home / AR Lower Components / LBE UNLIMITED CASTLE NUT “Magpul ASAP – Ambidextrous Sling Attachment Point” has been added to your cart. View cart 🔍 LBE UNLIMITED CASTLE NUT$8.99 6 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… Add to cart LBE UNLIMITED CASTLE NUT $8.99 Related products Out of stock FORWARD CONTROLS DESIGN PF-40 TAKEDOWN AND PIVOT PINS $33.25 Read more Out of stock FORWARD CONTROLS DESIGN RBF BUFFER RETAINER $7.60 Read more Add to cart BADGER ORDINANCE Universal Safety Selector $58.00 Out of stock SIONICS Receiver Extension Kit w/ H2 Buffer & Sprinco Blue Spring $99.95 Read more