Professional Armorers Wrench

This professional armorers' wrench is specially designed to work with 5.56 and 7.62 AR platform rifle components. It's compatible with encapsulated and pin style barrel nuts, including the GI style nut. The drive end fits all MI free float barrel nuts, such as CRM, SLH, CRT, CRLW, ULW, G3M, G4M, and SP Series. It's a must - have tool for gun enthusiasts and professionals.

How to use: Simply select the appropriate drive end of the wrench that matches your barrel nut. Fit it onto the nut and turn it in the right direction to loosen or tighten. It works great for 5.56 and 7.62 AR platform rifles. Note: Always make sure the firearm is unloaded before using this wrench. Don't use excessive force as it may damage the nut or the wrench itself. Maintenance: After each use, wipe the wrench clean with a dry cloth. You can apply a little bit of lubricant to keep it working smoothly and prevent rust. Store it in a dry place to avoid corrosion.