Real Avid Thin Castle Nut Wrench

Real Avid Master-Fit 1/2" Crowfoot Wrenches are purpose built and specialized for precise fitment to minimize marring on gun parts. Constructed of titanium coated stainless steel, delivering the highest level of precision to confidently apply torque to AR platform crowfoot wrench for pistol buffer tube castle nuts. The Thin Castle Nut Wrench is designed to work with most pistol buffer tubes.