Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT View cart “Magpul ASAP QD – Ambidextrous Sling Attachment Point QD” has been added to your cart. Out of stock SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 785939517545 SKU: CASTLENUTMS Category: AR Lower Components Tag: solgw Product ID: 16084 Description Description SOLGW MIL SPEC RECEIVER EXTENSION CASTLE NUT You may also like… Out of stock SOLGW AMBI SAFETY SELECTOR KIT $28.50 Read more Related products Out of stock SIONICS Lower Parts Kit – Deluxe – Single Selector $99.95 Read more GEISSELE MARITIME BOLT CATCH $29.00 Add to cart Magpul ASAP QD – Ambidextrous Sling Attachment Point QD $28.45 Add to cart LBE Unlimited AR-15 Ambidextrous Sling Mount Receiver End Plate Steel Black ARAMEPL $9.95 Add to cart