Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT “Magpul ASAP QD – Ambidextrous Sling Attachment Point QD” has been added to your cart. View cart SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 5 in stock [] SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT quantity Add to cart 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… SOLGW AMBI SAFETY SELECTOR KIT $33.25 Add to cart Related products Out of stock FORWARD CONTROLS DESIGN PF-40 TAKEDOWN AND PIVOT PINS $33.25 Read more Magpul ASAP QD – Ambidextrous Sling Attachment Point QD $28.45 Add to cart Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED EXT LEVER $66.50 Read more Out of stock Magpul Enhanced Trigger Guard, Aluminum – AR15/M4 – Black $21.80 Read more