Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 6 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 Sons of Liberty Gun Works Blaster Starter Kit $54.15 Add to cart Bravo Company Manufacturing MIL-SPEC Carbine Stock Hardware Kit $57.95 Add to cart Out of stock BCM GUNFIGHTER QD End Plate $16.95 Read more 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