Shield Rifleworks, Precision Barrel Nut, 1.06" X 16 TPI, 1.25" Breech

Pre-Fit Precision Barrel Nut - Give Your Rifle Quick-Change Barrel/Caliber Capabilities.

Getting a new precision rifle barrel made? Consider making your new barrel into a pre-fit. Use one of our premium barrel nuts to set your new barrel to your action. A pre-fit barrel nut acts like a jam nut against your action, allowing you to set your headspace with a wrench rather than a lathe.