Home / NFA Accessories / YHM RIFLE THREAD PROTECTOR .640 OD 1/2X28 “Dead Air Fixed Barrel Spacer DA409” has been added to your cart. View cart Out of stock YHM RIFLE THREAD PROTECTOR .640 OD 1/2X28$16.25 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 Out of stock RUGGED FRONT CAP OBSIDIAN 9/45 $64.99 Select options This product has multiple variants. The options may be chosen on the product page MAGPUL DAKA CAN 2.0 $18.95 Select options This product has multiple variants. The options may be chosen on the product page Out of stock SILENCERCO BRAVO ASR MOUNT $137.70 Read more RADIAN RAPTOR-SD AR15/M16 GAS VENTED CHARGE HANDLE $124.94 – $139.95 Select options This product has multiple variants. The options may be chosen on the product page