Brownells Action Wrench Head Features The Brownells Square Notch Barrel Nut Action Wrench Head is precision machined with internal locking lugs that securely engage the square groove barrel nut found on newer Savage 110 10 and Striker rifles. This two-piece head surrounds and supports both the receiver and the barrel nut distributing torque forces evenly rather than concentrating stress at a single contact point. That even distribution is what helps prevent twisted bolt ways and receiver damage during high-torque barrel changes. Savage rifle builders benefit from this dedicated engagement design which offers a more secure interface than generic action wrenches can provide. Machined from solid steel this head is sold separately for use with the existing Brownells Action Wrench base letting a bench add Savage 110 compatibility without a full new system purchase. A round-notch version is also available for older Savage rifles with round groove barrel nuts so builders can match the head to their specific rifle s hardware. This level of fitment precision reduces the risk of damage compared to using a one-size-fits-all wrench on a barrel-nut action. Gunsmiths and serious rifle builders working on Savage platforms will find this head a dependable purpose-built solution. Brownells Square Notch Action Wrench Head for Savage 110 Specifications Brand: Brownells Model: Square Notch Barrel Nut Head Material: Steel Compatible Hosts: Savage Arms 110 Available At: GrabAGun