Presma AR-15 .223 Barrel Vise Block Rod with Torque Block for .750 Barrels Red

Presma AR-15 .223 Barrel Vise Block Rod with Torque Block for .750 Barrels Red. This multi-use tool helps with ease of installation of barrel nuts without scratching the exterior. Also a great way to securely hold your AR's upper receiver assembly for maintenance and upgrades. Comes with carrying case/holder. These tools are made to grip in a bench vise so that the rod is either vertical or horizontal. You then slide the upper receiver onto the reaction bar. The splines on the front of the rod e