Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 3 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 EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS SERRATED EXT LEVER $66.50 Read more Out of stock Magpul MOE Trigger Guard, Polymer – AR15/M4 – FDE $8.50 Read more Magpul Enhanced AR Magazine Release $18.95 Add to cart FORWARD CONTROLS DESIGN RBF BUFFER RETAINER $7.60 Add to cart