Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT 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 SIONICS Lower Parts Kit – Deluxe – Single Selector $99.95 Read more Magpul Enhanced Trigger Guard, Aluminum – AR15/M4 – Black $21.80 Add to cart Bravo Company Manufacturing MIL-SPEC Carbine Stock Hardware Kit $57.95 Add to cart Out of stock Sons of Liberty Gun Works Blaster Starter Kit $47.50 Read more