Vism Barrel Nut Wrench for M&P .22LR. 22LR tends to come loose over time and now you have the perfect tool to tighten or remove the factory barrel nut with ease. This Vism Barrel Nut Wrench for M&P 15-22 .22LR features machined teeth that interface with the S&W M&P 15-22 .22LR factory barrel nut and the tool has flats on the opposite side for a wrench to tighten or loosen the barrel nut. This Hollow Barrel Nut Wrench Tool is made of black anodized aluminum and the tool is a hollow tool designed to slide over the barrel. Tighten or remove the S&W M&P Barrel Nut with an Vism M&P Barrel Nut Wrench easily. Specifications for Vism Barrel Nut Wrench for M&P 15-22 .22LR: Manufacturer: VISM Color: Black Condition: New Gun Model: Smith & Wesson M&P 15-22 Package Contents: Vism Barrel Nut Wrench for M&P 15-22 .22LR What firearm models does the manufacturer say Vism Barrel Nut Wrench for M&P 15-22 .22LR is compatible with? The manufacturer says that Vism Barrel Nut Wrench for M&P 15-22 .22LR is compatible with Smith & Wesson M&P 15-22Vism TMP1522: Key Mod Short Vertical Grip - Tool Less Black