Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT View cart “BCM GUNFIGHTER QD End Plate” 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 RADIAN WEAPONS TALON AMBIDEXTROUS SAFETY SELECTOR 45/90 DEGREES 2-LEVER KIT $59.95 – $64.95 Select options Magpul Enhanced Trigger Guard, Aluminum – AR15/M4 – Black $21.80 Add to cart BCM GUNFIGHTER QD End Plate $16.95 Add to cart Out of stock Magpul MOE Trigger Guard, Polymer – AR15/M4 – FDE $8.50 Read more