Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT View cart “GEISSELE MARITIME BOLT CATCH” has been added to your cart. Out of stock SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 Out of stock Want to be notified when this product is back in stock? Notify me 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… Out of stock SOLGW AMBI SAFETY SELECTOR KIT $28.50 Read more Related products Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS DIMPLED STD LEVER $66.50 Read more Out of stock Magpul Enhanced AR Magazine Release $18.95 Read more Out of stock FORWARD CONTROLS DESIGN RBF BUFFER RETAINER $7.60 Read more Magpul B.A.D. Lever – Battery Assist Device – AR15/M4 $31.30 Add to cart