Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT 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 RADIAN WEAPONS TALON AMBIDEXTROUS SAFETY SELECTOR 45/90 DEGREES 2-LEVER KIT $64.95 – $69.95 Select options This product has multiple variants. The options may be chosen on the product page LBE Unlimited AR-15 Ambidextrous Sling Mount Receiver End Plate Steel Black ARAMEPL $9.95 Add to cart Magpul ASAP QD – Ambidextrous Sling Attachment Point QD $28.45 Add to cart Magpul ASAP – Ambidextrous Sling Attachment Point $30.35 Add to cart