Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 6 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 Magpul ASAP QD – Ambidextrous Sling Attachment Point QD $28.45 Add to cart Out of stock FORWARD CONTROLS DESIGN PF-40 TAKEDOWN AND PIVOT PINS $33.25 Read more SOLGW H2 BUFFER AR15 $43.69 Add to cart LBE Unlimited AR-15 Ambidextrous Sling Mount Receiver End Plate Steel Black ARAMEPL $9.95 Add to cart