Tapco AR-15 Armorers Multi-Tool
Designed to work with the latest generation receiver extension nut, Tapco's Enhanced AR-15/M4 Stock Wrench contacts the castle nut securely in three notches to ensure a smooth and uniform installation. This tool also provides a boxed end wrench for removing the fixed stock receiver extension found on full size rifles. Manufactured from steel with a soft rubber handle, this tool will provide you with years of use. This tool is a must have if you are planning to build or upgrade your AR-15!!