Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. View cart “BADGER ORDINANCE Universal Safety Selector” 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 SIONICS Receiver Extension Kit w/ H2 Buffer & Sprinco Blue Spring $99.95 Read more Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED EXT LEVER $66.50 Read more Magpul ASAP – Ambidextrous Sling Attachment Point $30.35 Add to cart 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