How many times have your sheered a barrel nut removing it with a multi-tool? This simple and heavy duty wrench is designed to remove and install a mil-spec barrel nut with the many teeth around the barrel and secure it to, and remove it from the AR15 / M4 upper receiver. Built of solid steel, this is a no-nonsense value tool.
This tool works at its best when paired with a long breaker bar style torque wrench. dial-in 30 to 80 foot pounds and remove that stubborn barrel nut, and reinstall. Charlie's recommends using some antifouling compound like synthetic grease or a grease containing copper.
Made by VISM, a division of NcSTAR, Manufacturer Part No.: VTARCFBRL
Knights Armament (KAC)