Description
The Real Avid Master Fit Wrench Head Extended & Standard Castle Nut is designed to work with buffer tube end plates with sling attachments and some barrel nuts. Purpose built and specialized for precise fitment to confidently deliver torque to extended and standard castle nuts. Titanium coated stainless steel construction provides tight tolerances for solid nut-gripping strength and enhanced no-slip tool control. When paired with the Master-Fit 1/2″ Drive Torque Wrench, this Master Grade combo will take your gun building experience to a whole new level. The Master-Fit 1/2″ Drive Crowfoot Wrenches also work with any standard 1/2″ drive wrench.
