Home / AR Lower Components / LBE UNLIMITED CASTLE NUT View cart “LBE Unlimited AR-15 Ambidextrous Sling Mount Receiver End Plate Steel Black ARAMEPL” has been added to your cart. LBE UNLIMITED CASTLE NUT$8.99 1 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 CMMG Parts Kit, AR15, Lower Pins and Springs $13.99 Add to cart Magpul B.A.D. Lever – Battery Assist Device – AR15/M4 $31.30 Add to cart Out of stock Magpul Enhanced AR Magazine Release $18.95 Read more Out of stock FORWARD CONTROLS DESIGN PF-40 TAKEDOWN AND PIVOT PINS $33.25 Read more