If you notice a decline in accuracy, tighten the barrel nut. The S&W M&P15-22 barrel nut wrench by Tacticool22 allows for the quick and easy removal or replacement of the handguard on your Smith & Wesson M&P15-22. The precision-engineered lugs of the barrel nut wrench ensure a secure fit on the S&W M&P15-22 barrel nut, minimizing movement and reducing the risk of damage during installation or removal The internal configuration of the barrel nut wrench is engineered to accommodate a wide range of standard A1 and A2 flash hiders, including compatibility with Yankee Hill models and additional variants The external profile of the barrel nut wrench is precisely engineered to seamlessly integrate within the standard S&W M&P15-22 handguard assembly The component features dual 15/16 inches wrench flats, compatible with an open-end or crowfoot wrench, facilitating torque wrench application for precise torque adjustments Comprehensive, sequential procedural guidelines are provided to facilitate user engagement and ensure seamless operational execution Precision-engineered utilizing premium-grade U.S. aluminum stock, ensuring superior durability and performance The barrel nut wrench is compatible with most standard-diameter muzzle devices, like the A2 birdcage However, the barrel nut and handguard end cap are not, necessitating muzzle device removal for barrel nut access