Now that you have decided to make your Smith & Wesson M&P15-22 hand-guard match the look and feel of your existing AR platform you now need a wrench to tighten it. Note: This is the Wrench only not the hand guard or adapter. This high-quality engineered item fits perfectly on your Smith & Wesson M&P15-22 Free Float Hand-guard Converter. Made on state-of-the-art machinery in the U.S.A. Drop Forged and protected with a black oxide finish for a long service life. You will still need our M&P15-22 Barrel Nut Wrench to remove the stock barrel nut. Either the Hobby or Professional version will work perfectly.