Home / NFA Accessories / YHM RIFLE THREAD PROTECTOR .640 OD 1/2X28 View cart “SILENCERCO DELTA THREAD PROTECTOR 1/2X28” has been added to your cart. Out of stock YHM RIFLE THREAD PROTECTOR .640 OD 1/2X28$15.50 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 816701013917 SKU: YHM-3412-B Categories: Muzzle Devices - Non Suppressor Mount, NFA Accessories Product ID: 9987 Related products RUGGED FLASH HIDER FRONT CAP 5.56 $80.60 Add to cart SilencerCo Fixed Barrel Spacer AC22 $50.15 Add to cart Out of stock RADIAN RAPTOR SD-SL CHARGE HANDLE AR15/M16 $113.95 Read more MAGPUL DAKA SUPRESSOR POUCH SMALL BLACK $17.05 Add to cart