Breakthrough Clean Technologies AR15 / M4 Armorer's Tool

The BreakthroughA(R) Clean Technologies AR15 / M4 Armorer's Tool is the accessory every AR-15 and M4 owner should own. Featuring durable titanium-plated stainless steel construction, this tool boasts unmatched strength with long-lasting durability making it a perfect addition to your workbench. This tool includes a standard-size muzzle device wrench and easily installs and removes receiver extensions and castle nuts. This tool is compatible with Mil-Spec and Pin-Style Barrel Nuts, as well as 1/