This is the YHM Thread Protector for AR-15 and similar platforms in 5.56/.223 calibers. This will protect your threads and add a finished look for barrels without a muzzle device. Knurled steel for easier installation. For use with 5.56/.223 or .22 calibers (bull barrel profile).
| Brand | Yankee Hill |
| Model | YHM-3411-B |