Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT View cart “SOLGW H2 BUFFER AR15” 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 Bravo Company Manufacturing MIL-SPEC Carbine Stock Hardware Kit $57.95 Add to cart CMMG Parts Kit, AR15, Lower Pins and Springs $13.99 Add to cart Out of stock FORWARD CONTROLS DESIGN PF-40 TAKEDOWN AND PIVOT PINS $33.25 Read more BCM GUNFIGHTER QD End Plate $16.95 Add to cart