Real Avid Master-Fit Extended & Standard Castle Nut Wrench

Master-Fit ½” 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.

DESIGNED SPECIFICALLY FOR GUN NUTS

Now you can say I’ve got a wrench for that! No more rigging and adapting generic wrenches to complete your builds.

• Precision-machined for tight engagement and reduced risk of nut rounding
• Fits all standard 1/2-inch drive torque wrenches
• Supports accurate torque application for critical components
• Minimizes marring and component damage during installation
• Specialized profiles for low-clearance and metric applications