Precision machined from heat-treated steel our multifunctional tool is a necessity for any AR enthusiast. This tool includes a mil-spec castle nut wrench a standard-length receiver extension removal wrench and an A1/A2 Flash suppressor wrench. Offering increased ergonomics each tool has a rubberized grip for both safety and comfort. Each tool is coated for corrosion resistance and includes a beverage opener. Made in the USA from hardened steel and features a lifetime warranty.